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bagirrra123 [75]
3 years ago
13

Under what conditions is the arrector pili muscle stimulated? What part of the brain would produce an efferent signal to this sm

ooth muscle effector?
Medicine
1 answer:
Snowcat [4.5K]3 years ago
3 0

Answer:

The pili arrector muscle, or erector muscle of the hair, is a muscle composed of smooth muscle fibers which is innervated by the sympathetic nervous system (SNS). When the hair is erect, what is known as "goosebumps" is produced; This action is involuntary and can be caused by fear, cold, among others. The efferent signals to activate this muscle come from the hypothalamus, brain stem and spinal cord.

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hope that helps you xx
3 0
3 years ago
Match the typical characteristics of focus with the appropriate age group.
miv72 [106K]

Answer:

Explanation:

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The genetic information of
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The component of physical fitness that refers to the ability of the circulatory and respiratory systems to supply oxygen to musc
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Delta produces three versions of baseball bats: wood, aluminum, and plastic. A condensed segmented income statement for a recent
saul85 [17]

Answer:

Hello your question has some missing information attached below is the missing information

answer : $114,000

Explanation:

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