Question

Functions that an animal does not have to consciously control, such as peristalsis in the intestine, are influenced by the?

a) Autonomic nervous system
b) Peripheral nervous system
c) Somatic nervous system
d) Central nervous system

Answer 1

Involuntary functions like peristalsis in the intestine are influenced by the autonomic nervous system, specifically under the control of the parasympathetic division.

Step-by-step explanation:

The autonomic nervous system (ANS) directly controls functions that an animal does not have to consciously control, such as peristalsis in the intestine. The ANS is responsible for functions that affect cardiac or smooth muscle tissue, or that cause glands to produce their secretions. It is divided into two main divisions: the sympathetic nervous system, which is activated in stressful situations, and the parasympathetic nervous system, which is active during restful periods. These divisions are part of the peripheral nervous system within the broader nervous system.