Arterioles are narrow blood vessels that restrict blood flow and Capillaries have thin walls that allow gas exchange.
What is blood vessels?Blood vessels are channels that carry blood throughout your body. They help to transport oxygen to vital organs and tissues, and also remove waste products. Blood vessels include veins, arteries and capillaries.
Veins bring blood to the right side of your heart.
Arteries branch into smaller vessels called arterioles. Both arteries and arterioles are very flexible. They get bigger or smaller to help maintain your body's blood pressure.
Capillaries have thin walls that allow oxygen, nutrients, carbon dioxide and waste products to pass through, to and from the tissue cells.
thus, Arterioles are narrow blood vessels that restrict blood flow and Capillaries have thin walls that allow gas exchange.
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Answer:
Capillaries
Explanation:
Capillaries are the tiniest vessels in the circulatory system. If the circulatory system is a network of roads, then capillaries are the side streets and alleyways that go to each building in a city. The majority of capillaries are so thin that blood cells must move through them singly. The thin walls of these confined tanks allow gas exchange.
What parts of muscle contraction are missing from the model? Describe why these parts are important to the muscle
contraction process.
Answer:
The model only shows the sensory pathway of the reflex arc and does not show the motor pathway. The neuron loop / circuit is incomplete and therefore it does not show how Zoe would react to the nail in her leg
Explanation:
Answer:
The model doesn’t clearly show the neuromuscular junction. This aspect is a crucial part of the process because the nerve impulse triggers calcium channels to open, which stimulates the process of muscle contraction.
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Explanation:
Sample answer
3 examples of inherited variation in dragon fruit
Answer:
Dragon fruit, a kind of fruit belonging to Hylocereus spp., has brought about interest in China not only due to its important economic value with high contents of nutrients, but also due to the striking tolerance to drought stress. Fifteen morphological traits and 111 Inter-Simple Sequence Repeat (ISSR) markers generated from 16 primers were firstly employed to discriminate 50 accessions recently selected in China, as well as to evaluate their genetic relatedness. According to univariate statistical analysis of morphological traits, high variations were observed between or/and within the wild and cultivated lines. The dendrogram of 50 accessions was constructed based on morphological traits. Taking 7.50 as a threshold, three major clusters could be observed, i.e. the first included nine genotypes, which mainly belonged to wild accessions; the second clusters standing for the red pulp genotypes; the third consisting of the white pulp accessions. Each ISSR primer generated 4–10 obvious DNA bands ranging from 100 bp to 1500 bp, with the average of 6.9 per primer.
Dragon Fruit is found in Central America, Northern South America and some parts of Mexico.
There are three different types of Dragon Fruit which are its inherited variations.
Hylocereus undatus or piyata blanca which is pink or red skin having white flesh and black seeds.
Hylocereus costaricensis or piyata roja which is pink or red skin having red flesh and black seeds.
Hylocereus megalanthus or piyata amarilla which has yellow skin, white flesh and black seeds.
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paper is a plant fibre Yes or No if yes how it become a plant fibre and how it is obtained from plants?
Answer:
Yes paper is a plant fibre .
Paper is a dried, compressed mat of plant fibers—nothing more, nothing less. ... Paper is more like the fabric we call felt, made without the weaving stage by pressing together cellulose fibers extracted from plants and trees so they knit and fuse to form a strong, solid, but still very flexible mat.
What is endocrine gland
Answer:
The glands that release the hormones directly into the blood is know as endocrine gland.
Explanation:
Answer:
An endocrine system is a system of glands to create hormones for girls and boys.
Explanation:
An organ that makes hormones that are released directly into the blood and travel to tissues and organs all over the body. Endocrine glands help control many body functions, including growth and development, metabolism, and fertility. Some examples of endocrine glands are the pituitary, thyroid, and adrenal glands.
Explain why veins have high amounts of quartz.
Veins have high amounts of quartz because this mineral reflects the solubility of the various compounds at different temperatures.
What is Vein?These are blood vessels which carry deoxygenated blood to the heart for oxygenation.
The mineral known as quartz helps it in the area of solubility at different temperature.
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The __________ is the control center of the body. a. brain b. spinal cord c. central nervous system d. peripheral nervous system please select the best answer from the choices provided a b c d
The control center of the human body is the brain. The brain keeps and controls the challenge of virtually all physical features including digestion, excretion, the thrashing of the heart.
Your mind is just like the manage middle of your frame. It controls your respiration and heartbeat. It lets you suppose and learn. The mind is so "valuable" to all of your frame systems, it is now no longer sudden that the mind and spinal twine are known as the valuable frightened system.
What is the brain made up of?The human mind is by and large composed of neurons, glial cells, neural stem cells, and blood vessels. Types of neurons encompass interneurons, pyramidal cells such as Betz cells, motor neurons (higher and decrease motor neurons), and cerebellar Purkinje cells.
Thus it is clear that the brain is the control center of the body.
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Answer:
Brain
Explanation:
Which labeled structure identifies where passive water reabsorption takes place in the kidney?.
Passive water reabsorption takes place in the kidney as it would be in the Tubules, both the proximal and the convoluted tubules.
What happens in the tubules?In the tubules, most of the reabsorption happens such as sodium, wherein approximately 65 percent of it is reabsorbed. In the process of reabsorption, both water and the solutes are eliminated from the tubular fluid. Once it is removed, this is then sent into the blood.
Dialysis may be defined as a methodology that significantly eliminates waste products and excess fluid from the blood when the kidneys stop working properly. It is also referred to as renal replacement therapy.
The procedure of dialysis is only performed when the kidney is absolutely unable to perform its normal functions properly. Due to this, the blood gets contaminated and toxic because of the accumulation of waste products that are not eliminated from the body.
Therefore, Passive water reabsorption takes place in the kidney as it would be in the Tubules, both the proximal and the convoluted tubules.
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In order for our cells to metabolism N2 into 2NH3, a total of _____________ ATP is required.
We have the complete statement to be "In order for our cells to metabolism N2 into 2NH3, a total of 8 ATP's is required"
What is adenosine triphosphate ATP?Generally, The full meaning of the short form ATP is adenosine triphosphate, This is simply an energy-bearing molecule that can be found in the cells of living things.
In conclusion, We see that in the cell of humans, for our cells to metabolism N2 into 2NH3 we tend to use up at least eight adenosine triphosphate for the process
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Egg Drop Student Worksheet
Use this worksheet to design your device and record your data. You can then use this form to help you
write your lab report.
Height of egg drop: __________
Ideas for Prototype Design
Preliminary Sketches (attach separate paper if needed)
Option A:
Advantages: Disadvantages:
Option B:
Advantages: Disadvantages:
Student Guide (continued)
Option C:
Advantages: Disadvantages:
Which of the three designs will you move forward with? Explain your reasoning for selecting this design.
Building the Prototype
What modifications, if any, did you make to the basic design during the construction process?
Predictions
Will your device cushion the egg? How will your device do this?
Will your device increase the time it takes for the egg to i
I DON"T KNOW WHAT TO DO!
The cow jumped through the window ( end: the cow)
Identify the fuel that could be classified as a nonrenewable or renewable resource.
Answer:
Coal, petroleum, and natural gas are considered nonrenewable because they can not be replenished in a short period of time. These are called fossil fuels.
Explanation:
How should “free water” have been administered to the patient?
Answer: Via ice chips or water, although not appropriate for all patients.
Explanation:
Patient is allowed to drink water btwn meals (beginning a minimum of 30 mins after meals); oral care must be done prior to consuming water; patient should be upright and use appropriate swallowing strategies.
Which organisms are always on the first level in a food chain?.
Answer: PLANTS ,ALGEA AND BACTERIA
Explanation:
What are 2 types of complex inheritance patterns in genetics?
Answer:
2 types of complex inheritance patterns in genetics are:
-Incomplete Dominance
-Codominance
Explanation:
A few more are:
-Multiple Alleles.
-Polygenic Traits.
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which structure is present in bacteria but not in a virus?
1) Nucleic Acid
2) Capsid
3) Cell Membrane
4) Envelope
Answer:
Yes the only structure not present in a virus is C) Cell membrane
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If the primary structure of the protein is changed, what will happen to a) the secondary structure and b) the tertiary structure of the protein
Answer:
The primary structure refers to the amino acids in a protein molecule. Changing one of the amino acids can affect whether a protein will form alpha helices or beta sheets during folding. If alpha helices and beta sheets are changed, the interactions between amino acids along the length of the protein will be altered as well, leading to changes in the final 3D structure of a protein experiencing a primary structure change.
Explanation:
a) The secondary structure may be affected, and some secondary structural elements may be lost or altered.
b) The tertiary structure will likely be disrupted or changed, affecting the overall folding and 3D conformation.
Protein primary structure refers to changes in the linear sequence of amino acids that make up the protein chain. Because it dictates amino acid interactions and bonding, the fundamental structure is essential for secondary and tertiary structure creation.
a) Primary structural changes impact secondary structure. Hydrogen bonding between amino acids forms secondary structures like alpha-helices and beta-sheets. These relationships may be interrupted if the basic structure is changed, causing secondary structural components to lose or distort.
b) Primary structural changes can also affect tertiary structure. The protein molecule's 3D tertiary structure is governed by hydrophobic interactions, disulfide bonds, and van der Waals forces. Changes in the fundamental structure may disrupt these connections, leading the protein to misfold or lose its 3D shape.
Any protein primary structure mutation can cascade into higher-order structures, causing loss of function or altered biological activity.
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What happens after air is in the nose does it go to the bronchi then the lungs?
Answer:
the air travels to the alveoli, or air sacs.
Explanation:
Which of the following statements would be MOST
important to include in an objective and accurate
summary of the article?
A
People should pay more attention to the
environment in which the food that they
consume is grown
B
Historical and scientific evidence indicates that
healthy soil is essential to sustaining human
populations
0
Governments and international organizations
have rightly taken action to conserve soils.
D
Human development has caused extensive
and irreparable damage to a majority of
Earth's soils
Answer:
B
Explanation:
This is regarding to significance of the soil from which plants grow ,from ecological point of view there is an interaction between organisms with this reason plants are major source of food in most of organism on planet earth!
Chloe is developing a model of photosynthesis. The first part of the model is shown below. Which would be the MOST useful next step for Chloe to develop the photosynthesis model further?
A.) Extend the lines for sunlight so that they pass through the autotroph.
B.)Represent a chemical reaction in the autotroph that produces high-energy carbohydrates.
C.)Represent a chemical reaction in the autotroph that produces high-energy proteins.
D.)Draw a circle to represent a heterotroph, and draw a line to connect it to the autotroph.
Answer:
B, because logically, Photosynthesis takes sunlight (light energy), water(h20), and carbon dioxide( c02), and converts it into sugars (glucose / carbohydrates), and oxygen(o2). As D would be less necessary because humans and animals are not autotrophs and do not undergo photosynthesis to produce their own food. it is not the most necessary thing to label.
Rabbits were introduced into Australia over 100 years ago for hunting purposes. They have since become a serious pest to farmers. Rabbit populations have increased so much that they displaced many native species of plant eaters. What is the most logical explanation for their increased numbers?
Answer:
They do not have any natural predators to kill them.
The phospholipids of plasma membranes are amphipathic: they have both hydrophilic and hydrophobic regions. The hydrophobic core of the plasma membrane helps some materials move through the membrane, while it blocks the movement of others. How does the structure of the cell membrane help to enable its function?
Answer: The structure of cell membrane is semi-permeable which allows it to pass only certain molecules.
Explanation:
The phospholipid bilayer includes phospholipids that are tightly packed. This membrane is semi-permeable in nature and it can be said that it is selectively permeable. Across this the small, nonpolar materials can pass through as lipid tails of the membrane are nonpolar in nature. Examples of the molecules that can pass through the lipid bilayer are oxygen, carbon dioxide, and others. But the water soluble molecules need assistance of nonpolar molecules to pass through it like glucose, and amino acids as they are oppose by the hydrophobic tails.
Which substances leave the blood by diffusing directly through the plasma membrane of endothelial cells
Answer:
Carbon dioxide
-Steroid hormones
-Oxygen
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What happens to the temperature and density of the material between points D and A
Answer:
It becomes naturally warm
Explanation:
how would a plant cell function if it did not contain chloroplasts?
Without chloroplasts the plant would probably die
Because chloroplasts are used for photosynthesis, which gives the plant food and energy it needs to survive and without them the plant can't get any food/nutrients
What type of protein is involved in the sodium-potassium pump mechanism?
transmembrane ATPase.
what are chlamydomonas
How does the way the information is presented help you understand the process?
The author contrasts the materials needed with the desired result.
The author uses headings and numbers in each step.
The author uses descriptive words to help you visualize the recipe.
The author provides suggestions for serving the cake.
Answer:
The author uses descriptive words to help you visualize the recipe.
Explanation:
If one strand of DNA reads: ATGCTC, what must the complementary strand of DNA be?*
Answer:
TACGAG
Explanation:
The complementary base pair for adenine is thymine and the complementary pair for cytosine is guanine.
Which animal undergoes complete metamorphosis?
praying mantis
termites
grasshoppers
moths
Answer:
Moths go complete metamorphosis
Cancer cells behave differently than normal body cells. For example, they ignore signals that tell them to stop dividing. Which of the following conditions will most likely cause a normal body cell to become a cancer cell?
Answer:
it affect the lungs that why
In California wildfires are very common, how do wildfires affect the carbon cycle? a More sugars will be available for animals to eat b The availability of fossil fuels fo r use by industries in the area will be reduced c Less carbon dioxide would be removed from the atmosphere in the area by plants d More carbon dioxide will be removed from the atmosphere in the area by plants
Answer:
d. More carbon dioxide will be removed from the atmosphere in the area by plants
Explanation:
Wildfire are defined as an uncontrolled or unplanned fire in an area.
Wildfires are common in California because of combustible vegetation and that affects the carbon cycle. When vegetation burns during wildfire it releases a lot of carbon dioxide. Higher carbon-dioxide increases the rate of photosynthesis in plants. Plants utilize the higher CO2 concentration at a faster rate and more carbon dioxide will be removed from the atmosphere.
Hence, the correct answer is "d".