Question

Which statement provides the BEST evidence that the nervous system interacts with the digestive system to carry out life processes?

A.
The nervous system helps to filter liquid wastes from the digestive system.

B.
The nervous system regulates the speed at which food moves through the digestive system.

C.
The nervous system plays a major role in the absorption of fats from the digestive system.

D.
The nervous system carries the absorbed nutrients from the digestive system to all body cells.

Answer 1

B

The nervous system (especially the enteric/autonomic nerves) regulates smooth muscle contractions and peristalsis, controlling how fast food moves through the digestive tract.