Which of the following best describes the function of nerves?
a. they send information around to different cells of the body.
b. they connect the brain to the body.
c. they carry messages from the muscles.
d. they carry sensory and motor impulses.

d. They carry sensory and motor impulses.

Explanation:

The main function of nerves, is to carry out signals from the body to the brain, and from the brain to the body, the main ones being sensory and motor impulses, they are basically the electric wiring that exists in our body, sensory impulses go from the muscle and tissue to the brain, and motor impulses go from the brain to the muscles.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.