Question

Which of the following best describes the function of the human nervous system?

A.
The nervous system removes waste products from the human body through the excretion of sweat and urine.
B.
The nervous system breaks down large food molecules into smaller nutrients so that they can be transported around the body.
C.
The nervous system transports oxygen and nutrients to the cells of the human body through a system of nerve cells.
D.
The nervous system gathers, interprets, and responds to information about the body's internal and external environment.

Answer 1

The nervous system is the major controlling, regulatory, and communicating system in the body. It is the center of all mental activity including thought, learning, and memory. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.