This is part of the autonomic nervous system that functions to conserve body resources and maintain homeostasis ("rest and digest"). this division of the autonomic nervous system oversees digestion and is called the system.

Parasympathetic nervous system

Explanation:

The parasympathetic nervous system of the autonomic nervous system is activated to restore the body's energy level after the emergency conditions. This division of the autonomic nervous system triggers the digestion and absorption of nutrients so that body cells obtain and conserve energy.

Some of the responses generated by activated parasympathetic division are increased activity of glands associated with the digestive system and increased the contraction of smooth muscles of the digestive tract. The parasympathetic nervous system also slows down the responses required for physical activities such as heart rate and breathing rate.  

the answer is b: 1.4 km/hr

voluntary muscles are controlled by the cerebellum.