what is the best example of how the nervous system maintains
homeostasis?
o
a. it makes muscles move.
o
b. it allows the eyes and brain to communicate.
o
c. it regulates breathing and heartbeats.
o
d. it receives physical sensations.

The answer is C

Explanation:

Homeostasis is, in my definition, maintaining normal levels. So, to maintain homeostasis of a heartbeat, the nervous system regulates heartbeats in order to prevent abnormal ones and to increase blood flow during exercise.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.