FIRST ANSWER IS BRAINLEST!!!
Which of the following best describes the function of the human nervous system?

A.

The nervous system transports oxygen and nutrients to the cells of the human body through a system of nerve cells.

B.

The nervous system gathers, interprets, and responds to information about the body's internal and external environment.

C.

The nervous system breaks down large food molecules into smaller nutrients so that they can be transported around the body.

D.

The nervous system removes waste products from the human body through the excretion of sweat and urine.