The muscles that contract (during cold or fright), the slanted hair follicle is pulled upright, dimpling the skin surface with goosebumps are called arrector pili muscle.
The arrector pili muscle are tiny muscle that attaches to the base of the hair follicle at one end and to the dermal tissue on the other end. When the body feels cold or fright the body generate heat and the arrector pili muscle contract all at once, that causes goosebumps on the skin.
The arrector pili muscle acts as the thermoregulator. Straight stand hair increases air trapping, so that the heat loss from the body decreases. The arrector pili muscle are mediated by the sympathetic nervous system.
To learn more about sympathetic nervous system here
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Answer:
There are two processes that are involved in the production of Adenosine Triphosphate or ATP and these are fermentation and cellular respiration. However, during fermentation on 2 ATP molecules are produced while in cellular respiration, 38 ATP molecules are produced.
So the answer would be Cellular respiration produces more ATP molecules than fermentation.
They are different from each other because ones in forest and ones in the desert
Answer:
The first three are the correct choices. The last is wrong
Explanation:
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