Which describes the primary function of the nervous system in keeping the body in homeostasis?
it processes the environment and sends out signals.
it controls movement and provides structure.
it physically breaks down and absorbs food.
it puts oxygen in the blood, which is essential for life.

The answer is option number 1

Explanation:

The nervous system is to send out signals to the body to let it know how and when to react to certain things the occur in the environment around it.

The correct answer is It processes the environment and sends out signals.

Explanation:

Homeostasis is the ability of an organism to remain stable in a changing situation around us.

That is, if an external factor tries to change something in our body, homeostasis will ensure that this does not happen, and will try to keep the body stable inside.

Given this information, we can say that the correct answer is It processes the environment and sends out signals.

the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation:

a physical change is being made.