Which of the following best describes the function of the parasympathetic nervous system? a. it calms the body and conserves energy. b. it maintains internal equilibrium of the body. c. it arouses the body and expends energy. d. it conducts energy around the body.

The correct answer is A. It calms the body and conserves energy.

Parasympathetic nervous system is one of the two branches ( sympathetic and parasympathetic) of autonomic nervous system that is also called as 'rest an digest' system of the body.

It calms the body and conserves its energy by lowering the heart rate and blood pressure of the body.

It stimulates all the activities when the body is as rest like digestion after eating, defecation, sexual arousal, salivation.

It calms the body and conserves energy.

Explanation:

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

the correct option is option d