Question

Which is an example of how the peripheral nervous system helps the body maintain its internal environment?

Muscles produce keratin so that hair can grow stronger.
Sweat glands break down the food that is consumed.
Muscles contract rapidly to produce heat on a cold day.
The brain recalls information to help take a test.

Answer 1

Explanation:

peripheral nervous system helps the body maintain its internal environment?

Muscles produce keratin so that hair can grow stronger.

Sweat glands break down the food that is consumed.

Muscles contract rapidly to produce heat on a cold day.

The brain recalls