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Marrrta [24]
3 years ago
7

What is negative feedback, and how does this process help to keep values (like body temperature) constant or within a small rang

e of values?
Biology
1 answer:
const2013 [10]3 years ago
5 0

Answer:

Negative feedback mechanism may be defined as the system of the body in which the final output reduces the process and result in the less output. Negative feedback mechanism is important for the regulation of homeostasis.

The negative feedback mechanism maintains the constant body temperature. The change in body temperature is sensed by the receptors. The low body temperature initiates the hypothalamus to increase the physiological process.    The blood vessels narrow, body start shivers and hormone stimulation increases body temperature. When the body temperature become normal, the hypothalamus will no longer be stimulated and stop its effect.

You might be interested in
The pancreas is responsible for the elimination of 95% of ingested alcohol from the body through metabolism.
egoroff_w [7]

Answer:

<h2>False</h2>

Explanation:

The human body mechanisms try to excrete out the ethanol from the body before it gets circulated in the body through blood. The body does so by converting the ethanol to certain metabolic products which get filtered and excreted out through urine.

The metabolism of alcohol takes place in the liver in two steps- Ethanol is converted to acetaldehyde by the alcohol dehydrogenase enzyme. The acetaldehyde is toxic to cells and is the compound responsible for the hangover after drinking.

The acetaldehyde is then converted to acetic acid by an enzyme called acetaldehyde dehydrogenase. The acetic acid through respiration gets converted to water and carbon dioxide and rest is excreted out through urine.

Thus, the liver is the organ responsible for the metabolism of ethanol and not pancreas.

4 0
3 years ago
Usually, when the particle size is decreased, what will happen to the rate of dissolving? A) It will stop. B) It will increase.
rjkz [21]

Answer:

B

Explanation:

Rate will increase due to the decreation of the size

8 0
4 years ago
Read 2 more answers
PLEASE HELP ME!
timama [110]
1) The process arrow A represents is photosynthesis.

2) Arrow A represents light energy transformation. Light energy from the sun is converted into chemical energy in plants.

3) Photosynthesis is part of a carbon recycling process in the carbon cycle. Plants absorb light energy and convert it to chemical energy. Plants absorb carbon dioxide which is exhaled by humans and animals. Plants then produce oxygen which is absorbed by humans and animals. Animals also eat plants thus passing the carbon compounds along.

I hope this makes sense. Hope this helps! :)
7 0
3 years ago
Please help I will give a brainliest
sleet_krkn [62]

Answer:

answer

Explanation:

im not that good w these sorry

5 0
4 years ago
All triploblastic animals are:
AnnZ [28]
The answer is D (although the way it is worded is a little off)

Not all triploblasts are eucoelomate (true coelom/body cavity surrounded entirely by mesoderm). There are two main phylums which are counterexamples: Platyhelminthes (flatworms) and Nematoda (roundworms). Flatworms are acoelomate (lack a coelom) while nematodes are pseudocoelomates (they have a false coelom, surrounded with both mesoderm and endoderm).

B is incorrect because most are not radically symmetrical, a good example being Chordata (including humans)

C is incorrect because schizocoely occurs mostly in protostomes (although some deuterostomes have it too). Schizocoely is when a mass of mesoderm cells migrate to form the coelom, which doesn’t happen in all embryos.

Letter D is the answer. Although there might be some misconceptions about this, mainly Echinodermata, which are radially symmetrical as adults. However, their larvae develop with bilateral symmetry, so letter D should say “bilateral symmetry at one point in their lives.” But bilateral symmetry is present in all triploblasts, which is why letter D is the answer.


Hope that helped! If I made a mistake, please let me know and I’ll amend my response.
8 0
3 years ago
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