The Endocrine and Exocrine Systems — Unit test

Question 8 • Biology - SC3209 IC

Once the body has begun shivering, what happens to make it stop shivering?

Answer

When body temperature returns to normal, the respiratory system sends a message to the skeletal system to stop shivering.

When body temperature returns to normal, the nervous system sends a message to the muscular system to stop shivering.

When body temperature is below normal, the nervous system sends a message to the skeletal system to stop shivering.

When body temperature is below normal, the respiratory system sends a message to the muscular system to stop shivering.

Explanation

Shivering is caused by repeated contractions of skeletal muscles, and the nervous system coordinates those contractions. Once body temperature returns to normal, the nervous system signals the muscles to stop shivering. Choice B correctly identifies both the condition and the systems involved.

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