Answer:
What are the Sense Organs?
Sense organs are specialized organs that help to perceive the world around us. They are an integral part of our lives and it is the only way that enables us to perceive the environment.
Sense organs provide the required data for interpretation through various organs and a network of nerves in response to a particular physical phenomenon. These senses govern our association and our interaction with the environment.
We have five sense organs, namely:
Eyes
Ears
Nose
Tongue
Skin
These five sense organs contain receptors that relay information through the sensory neurons to the appropriate places within the nervous system. The receptors could be classified into two parts viz. the general and special receptors. The former is present throughout the body while the latter includes chemoreceptors, photoreceptors and mechanoreceptors.
Ears:
Ears are the auditory sense organs of our body. They help us to perceive sounds. Our auditory system detects vibrations in the air and this is how we hear sounds. This is known as hearing or audio caption.
The ears are divided into three sections, namely, the outer ear, the inner ear, and the middle ear. All sounds are basically vibrations, so the outer ear transfers these vibrations into the ear canal, where these vibrations are transformed by the brain into meaningful sound. Apart from hearing, this sense is also important for balancing our body or equilibrium.
Tongue:
The tongue helps in perceiving various tastes and flavours. The taste buds are present between the papillae on the tongue—these help in sensing different tastes.
The senses of smell and taste tend to work together. If one could not smell something, they could not taste it either. The sense of taste is also known as gustaoception.
Taste buds on the tongue contain chemoreceptors that work similarly to the chemoreceptors in the nasal cavity.
However, the chemoreceptors in the nose would detect any kind of smell, whereas there are four different types of taste buds and each one can detect different types of tastes like sweetness, sourness, bitterness and saltiness.
Nose:
The nose is an olfactory organ. Our olfactory system helps us to perceive different smells. This sense of organ also aids our sense of taste. The sense of smell is also known as olfaction.
The olfactory cells tend to line the top of the nasal cavity. On one end, olfactory cells have cilia that project into the nasal cavity and on the other end of the cell, are the olfactory nerve fibres.
As one breathes in, the air enters into the nasal cavity. The olfactory cells are chemoreceptors, which means that the olfactory cells have protein receptors that can detect subtle differences in chemicals. These chemicals bind to the cilia, which conducts a nerve impulse that is carried to the brain. The brain then translates these impulses into a meaningful smell. During a cold, the body produces mucus which blocks the sense of smell; this is the reason why the food which we eat tastes bland.
Skin is the largest organ of our body. It is related to the sense of touch. The sense of touch is also referred to as tactioception.
The skin contains general receptors which can detect touch, pain, pressure and temperature. They are present throughout the skin. Skin receptors generate an impulse, and when activated, is carried to the spinal cord and then to the brain.
How do the five sense organs send information to the brain?
Specialized cells and tissues within these organs receive raw stimuli and translate them into signals the nervous system can use. Nerves relay the signals to the brain, which interprets them as sight (vision), sound (hearing), smell (olfaction), taste (gustation), and touch (tactile perception).
How are the 5 senses connected?
Each of your five senses has its own special sensor. Each sensor collects information about your surroundings and sends it to the brain. Then, your brain uses the information from your senses to help you understand the world around you.
Explanation:
I hope this helped!!
List 5 uses for proteins in the cell.
Answer:
Protein has many roles in your body. It helps repair and build your body’s tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance. Finally, they keep your immune system strong, transport and store nutrients and can act as an energy source, if needed.
Explanation:
Hope this helped Mark BRAINLIEST!!!
Proteins help in cell structure formation, and cell transport, allow biochemical reactions, cell repair and also help in cell division.
What are cellular proteins?Proteins present in the cell are of various kinds. They are formed in the cell by the process of DNA transcription and translation.
The proteins formed in the cell then go on to perform various functions. The cellular proteins form the structure of the cell. They do that either by forming the cell membrane or the membrane of the organelles.
The cellular proteins also help in transport of nutrients. This transport is of two types. It can transport materials from inside to outside of the cell and vice versa. It can also transport materials inside the cell to other organelles.
Various biochemical reactions in the cell are possible because of the cellular proteins. The proteins formed in the cell are also used for cell repair and cell division.
Therefore, the various functions performed by the cellular proteins are cell structure formation, cell transport, allowing biochemical reactions, cell repair and help in cell division.
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After food is made in the form of glucose in the leaf, it is then converted to
for transport, then to
for storage.
A) glucose, starch
B) glucose, sucrose
C) sucrose, starch
D) glucose, sugars
Why is hail stronger than ice ?
Answer:
Hail is harder than ice because of the formation, hail is formed in the atmosphere in storm clouds when water droplets collide with supercooled waterdrops in the upper atmosphere in subzero temperatures, instantly turning them to ice in the process. And it keeps building and turning into a sphere shape, and as it gets bigger the harder and more sturdy it gets, making it harder than ice.
Which electromagnetic waves are produced during some nuclear reactions?
А gamma rays
B
ultraviolet waves
С
microwaves
D
X-rays
Answer:
A.) Gamma Rays
Explanation:
they are generated by nuclear fusion reactions on the sun or radioactive decay of uranium in the Earth's crust.
an extension of the neural tissue of the brain, sometimes referred to as the neurohypophysis.
T/F
False. The statement is incorrect. Neurohypophysis refers to the posterior lobe of the pituitary gland, which is an extension of neural tissue, not the brain itself.
The neurohypophysis is a part of the pituitary gland, which is located at the base of the brain. It consists of an extension of neural tissue and is responsible for storing and releasing two hormones: oxytocin and vasopressin (also known as antidiuretic hormone or ADH).
The hormones produced by the neurohypophysis are synthesized in the hypothalamus, another part of the brain, and transported along specialized nerve fibers called the hypothalami-hypophyseal tract to the posterior pituitary.
From there, they are released into the bloodstream to exert their effects on various target organs and tissues throughout the body. So, while the neurohypophysis is connected to the brain, it is not an extension of the brain tissue itself, but rather an extension of the neural tissue of the pituitary gland.
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how does frshwater ecosystems help with flood conrol
Answer: In terrestrial ecosystems the presence of vegetation in floodplains and watersheds can reduce the occurrence and severity of flooding by slowing water flows, enhancing percolation and storage, and allowing gradual release of water, thereby maintaining base flows and reducing peak flows.
Explanation:
Explain how water is used to create electricity.
Answer:
Explanation:Flowing water creates energy that can be captured and turned into electricity.The most common type of hydroelectric power plant uses a dam on a river to store water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity.
Answer:
Water can be used in a lot of ways, let say that you have a big paddle by a raging river next to you to power your home, this paddle can keeping continuously moving to power that home based off how much that river is going. This is one way that water can be used to make electricity. Hope this helps, Merry Christmas, and have a nice day!
Explanation:
A chicken has 39 pairs of chromosomes and a human has 23 pairs of chromosomes. The four nitrogen bases (adenine, thymine, guanine & cytosine) are the same for both the chicken and human. What makes chicken DNA different from human DNA?
Help- Which option identifies what the families are monitoring in the following scenario?
A dry summer caused some families to worry about how much water they had in their wells. Some carefully monitored
to make sure the wells did not dry up.
O fossil aquifer
O surface water
O water table
O ground water
Answer:
Ground water
Explanation:
Which statement does NOT describe a feature of the genetic code? a. It consists of nonoverlapping triplet codons, with three possible reading frames. b. Prokaryotes have a slightly different code than do eukaryotes. c. It is degenerate. d. Base-pairing of the 3' base of the mRNA codon to the 5' base of the tRNA anticodon is often not "normal" Watson-Crick base-pairing.
The statement that does NOT describe a feature of the genetic code is option d. "Base-pairing of the 3' base of the mRNA codon to the 5' base of the tRNA anticodon is often not "normal" Watson-Crick base-pairing."
A gene is a unit of heredity. It contains all the information an organism needs to develop and function. This information is carried by a molecule called DNA (deoxyribonucleic acid).
Genetic code is the set of rules that living cells use to interpret the information encoded within genetic material (DNA or mRNA sequences) in order to synthesize proteins. A genetic code is the sequence of nucleotides in DNA or RNA that governs the order of amino acids in a protein molecule. The genetic code is universal.
The features of the genetic code are:
a. It consists of nonoverlapping triplet codons, with three possible reading frames.
b. Prokaryotes have a slightly different code than eukaryotes.
c. It is degenerate. Each amino acid may have more than one triplet codon that codes for it.
d. Base-pairing of the 3' base of the mRNA codon to the 5' base of the tRNA anticodon is often not "normal" Watson-Crick base-pairing, but rather wobble base-pairing.
Thus, option D is the statement that does NOT describe a feature of the genetic code.
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1. SCIENTISTS HAVE DISCOVERED THAT BEFORE AN ERUPTION, EARTHQUAKES GENERALLY
Answer: Increase in number
Explanation:
How does science and technology affect our lives and how will it influence the quality of our lives into the future?
whats a wave in science terms
Answer:
Definition of a Wave
Explanation:
a disturbance or variation that transfers energy progressively from point to point in a medium and that may take the form of an elastic deformation or of a variation of pressure, electric or magnetic intensity, electric potential, or temperature.
Elaborate the attributes of aquatic ecosystems in
terms of physical environment and biological adaptations of the
organisms.
Aquatic ecosystems present diverse physical environments, ranging from freshwater to marine habitats, with varying temperature, salinity, and water movement.
Aquatic ecosystems are characterized by their unique physical environments and the biological adaptations of organisms that inhabit them. In terms of the physical environment, aquatic ecosystems can range from freshwater habitats such as lakes, rivers, and wetlands, to marine environments including oceans, seas, and estuaries.
These ecosystems have distinct properties such as temperature, salinity, depth, and water movement that influence the distribution and behavior of organisms. For example, marine ecosystems typically have higher salinity and greater water depth compared to freshwater ecosystems.
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The question is inappropriate; the correct question is:
Elaborate on the attributes of aquatic ecosystems in terms of the physical environment and biological adaptations of the organisms.
why is clay the result of chemical weathering
Answer:
Tropical Weathering Breaks Down Clay Minerals In humid tropical climates, clay minerals are unstable and break down under intense chemical weathering to become hydrated oxides of aluminum (bauxite) and iron (goethite), which are very poor substitutes for clay minerals in retaining soil nutrients.
Explanation:
A
Reaction Y required more activation energy.
B.
Reaction X produced more products.
с
Reaction X occurred with an enzyme.
D
Reaction Y occurred using a catalyst.
Answer: Yo you in Mrs. Ceccoli class?
Explanation:
How is DNA copied (name)?
Answer:
DNA Replication
Explanation: This is the process that DNA copies itself during cell division.
Where did Charles Darwin go on his voyage aboard the HMS Beagle
Answer:
In 1831, Charles Darwin received an astounding invitation: to join the HMS Beagle as ship's naturalist for a trip around the world. For most of the next five years, the Beagle surveyed the coast of South America, leaving Darwin free to explore the continent and islands, including the Galápagos.
Answer:
I googled it and it said the coast of south america lol i hope it helps. there's a bunch of results if you just google that question if you want more info :)
Explanation:
A cuantos moles de acido acetilsalicilico (C9H8O4) equivale una tableta de 0. 500g?
A 0.500g tablet of acetylsalicylic acid is equivalent to 0.00277 moles of the compound.
To determine how many moles of acetylsalicylic acid are equivalent to a 0.500g tablet, we need to use the molar mass of acetylsalicylic acid and convert the mass of the tablet to moles.
The molar mass of acetylsalicylic acid (C₉H₈O₄) can be calculated by adding the atomic masses of each element:
Molar mass = (9 × 12.01 g/mol) + (8 × 1.01 g/mol) + (4 × 16.00 g/mol)
Molar mass = 180.16 g/mol
To convert the mass of the tablet to moles, we use the formula:
moles = mass ÷ molar mass
Therefore, the number of moles of acetylsalicylic acid in a 0.500g tablet can be calculated as follows:
moles = 0.500 g ÷ 180.16 g/mol
moles = 0.00277 mol
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The correct question is:
How many moles of acetylsalicylic acid (C₉H₈O₄) is equivalent to a 0.500g tablet?
Describe the structure of an antibody. What are the targets of antibodies called?
An antibody is a Y-shaped protein molecule consisting of four polypeptide chains - two heavy chains and two light chains, linked together by disulfide bonds to form a flexible structure. The targets of antibodies are called antigens.
The structure of an antibody consists of four polypeptide chains, specifically two heavy chains and two light chains, which are connected by disulfide bonds. These chains form a Y-shaped molecule with two identical antigen-binding sites at the tips of the Y's arms. The constant region forms the stem of the Y and is involved in interacting with immune cells. The constant regions determine the antibody's class and function such as activating complement proteins and binding to immune cells. The variable regions of the antibody, located at the tips of the Y, are responsible for recognizing and binding to specific antigens. The targets of antibodies are called antigens. Antigens are molecules, typically proteins or polysaccharides, that are recognized as foreign by the immune system and trigger an immune response. When an antigen enters the body, it triggers the production of antibodies that are specific to that antigen. Antibodies bind to specific antigens, helping to neutralize or eliminate them from the body.Learn more about the antibody: https://brainly.com/question/15382995
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Provide two observational characteristics (facts!) of an otter pup.
Answer:
they are energetic and they are joyful
In the diagram of the plasma membrane shown below, which structures are indicated
by letters A and B?
Answer:
A - proteins; B - lipids
a general term for the coastal area and shallow offshore environment is
During respiration, what do consumers such as animals release?.
Answer:
carbondioxide
Explanation:
during respiration consumers release carbondioxide an inhale oxygen
What are the Differences Between Your ACL, MCL, and Miniscus?
the ACL and MCL are ligaments providing stability to the knee joint, while the meniscus is cartilage that serves as a shock absorber and weight distributor within the knee.
the differences between the ACL, MCL, and meniscus.
1. ACL (Anterior Cruciate Ligament): The ACL is a ligament located in the center of the knee joint. Its primary function is to provide stability and prevent excessive forward movement of the tibia (shinbone) relative to the femur (thighbone). It also helps prevent excessive rotation of the knee.
2. MCL (Medial Collateral Ligament): The MCL is a ligament on the inner side of the knee joint, connecting the femur to the tibia. It helps provide stability to the knee and prevents excessive sideways movement of the tibia relative to the femur.
3. Meniscus: The meniscus refers to two pieces of cartilage located between the femur and tibia, called the medial and lateral menisci. These structures act as shock absorbers, cushioning the knee joint during movement, and help distribute weight evenly across the joint.
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8 h2o molecules to 2 h2o molecules
The conversion of 8 H₂O molecules to 2 H₂O molecules is a chemical change that occurs through a dehydration or condensation reaction. This process involves the removal of water molecules to form a larger molecule and requires energy to occur.
This is a reaction that occurs between two molecules, and results in the formation of a single, larger molecule, while releasing a small molecule, usually water. In this case, the small molecule is water (H₂O), hence the name dehydration or condensation reaction.
During this reaction, the 8 H₂O molecules combine to form 4 H₂O molecules. This reaction is often used in the laboratory to create polymers from monomers. It can also be used to produce certain biomolecules such as carbohydrates, proteins, and nucleic acids, as well as other chemical compounds.
In order to carry out this reaction, energy is required. The reaction occurs in several steps and involves the removal of water molecules from the original 8 H₂O molecules, forming a new, larger molecule. The reaction is reversible, which means that it can be carried out in both directions, depending on the conditions and reactants involved. Thus, the conversion of 8 H₂O molecules to 2 H₂O molecules is a chemical change that can occur through a process known as dehydration or condensation reaction.
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why is grafting preferred on late April and early may?
Answer:
Grafting is a technique used to join two pieces of plant material together so that they will grow as one plant. This is often done with fruit trees, where a desired variety of tree is grafted onto the rootstock of a more common variety of tree.
Grafting is typically done in late April or early May because this is when the bark of the trees is slipping, which makes it easier to join the two pieces of plant material together.
Explanation:
Most grafting is done in late winter or early spring before new growth begins. The best time is after the chance of severe cold has passed but well before hot weather arrives. Scion wood may be collected during the winter. Store it in a cold, moist place at temperatures close to 34 degrees Fahrenheit.
It is not true that the baby boy and baby girl are both hungry. Choose the correct answer below. A. The baby boy is not hungry or the baby girl is not hungry. B. The baby boy is not hungry and the baby girl is not hungry. C. If the baby boy is hungry, then the baby girl is not hungry. D. The baby boy is hungry or the baby girl is hungry.
The correct answer is D. The statement says that the baby boy and baby girl are not both hungry. We need to choose the correct option that represents this situation accurately.
Let's analyze each option to find the correct answer.
A. The baby boy is not hungry or the baby girl is not hungry.
This option suggests that either the baby boy or the baby girl is not hungry, but it doesn't specify that both of them are not hungry. Therefore, option A is incorrect.
B. The baby boy is not hungry and the baby girl is not hungry.
This option states that both the baby boy and the baby girl are not hungry. Since the original statement says that they are not both hungry, option B is also incorrect.
C. If the baby boy is hungry, then the baby girl is not hungry.
This option suggests that if the baby boy is hungry, then the baby girl is not hungry. However, it doesn't cover the possibility that the baby girl is hungry while the baby boy is not. Therefore, option C is incorrect.
D. The baby boy is hungry or the baby girl is hungry.
This option presents the possibility that either the baby boy is hungry or the baby girl is hungry. Since the original statement says that they are not both hungry, option D is the correct answer.
In summary, the correct answer is D: The baby boy is hungry or the baby girl is hungry. This option acknowledges the possibility that one of them could be hungry while the other is not, which aligns with the given statement.
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Select all that apply.
When a double displacement reaction takes place, one of the products must be
A precipitate
magas
water
a salt
Meat and poultry products must be refrigerated or frozen after processing and before shipment to inhibit spoilage and
growth of pathogens. During transportation and storage, the challenge is to maintain proper refrigeration temperatures.
In the United States, most food is transported by truck. However, meat, poultry, and egg products may be transferred to and
from other modes of transportation during shipment and held at intermediate warehouses as well as at transfer or handling
facilities, such as airports, break-bulk terminals, and rail sidings. Because transportation and storage are vital links in the
farm-to-table food chain, effective control measures are essential at each point in the food distribution chain to prevent
unintentional contamination.
Use the relevant literature and the information in the extract to discuss how the characteristics of a product affects its
packaging and explain the main actions that should be taken to ensure food safety when transporting fresh meat
products. ( 20 marks)
Proper packaging and temperature control are vital when transporting fresh meat products to ensure food safety and prevent contamination. Adherence to sanitation practices and coordination among stakeholders is crucial.
Fresh meat products require specific packaging to ensure food safety during transportation. Packaging should provide a protective barrier against damage, moisture loss, and contamination. To ensure safety, temperature control is crucial, and refrigerated trucks with monitoring systems should be used.
Sanitary practices, including regular cleaning and sanitization of vehicles, are important to prevent cross-contamination. Proper handling and storage procedures at transfer facilities are necessary. Effective communication among stakeholders is also crucial. By implementing these measures, the risk of contamination and spoilage can be minimized, ensuring the safety and quality of fresh meat products throughout the distribution process.
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