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Posted 2 months ago

What is piloerection?
A group of animals like meerkats and prairie dogs that are known for standing on their hind legs.
When you raise your hand in class
When the hair stands up
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Answer from Sia
Posted 2 months ago
When the hair stands up
Piloerection is the phenomenon where hair stands up on the skin, often in response to cold or emotional stimuli. This is a reflex action controlled by the autonomic nervous system
Key Concept
Piloerection, also known as "goosebumps," occurs when tiny muscles at the base of hair follicles contract, causing the hair to stand up. This can be a response to cold, fear, or other emotional states.

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