Question

Explain how the organ systems work together to warm up the body on a cold day.

Answer 1

Sample response:
The brain, through the nervous system, sends signals to the muscular system, causing the muscles to move rapidly. This rapid motion produces heat in the body and is observed as shivering. The brain also sends signals to the muscles right beneath the skin. These muscles shorten and tighten, causing the hairs on the skin to stand up. When the hairs stand up, heat is kept in the air trapped within the hairs, which keeps the body warm.

Step-by-step explanation:

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Answer 2

The nervous system and the muscular system work together.

Muscles move rapidly to produce heat within the body.

Muscles underneath the skin contract, causing hair on the skin to stand up.

When hairs on skin stand up, they trap the heat coming out of the body so the heat is kept near the body.

Step-by-step explanation:

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