Yeah i just.uh. need a lot of help

2/B: It is for long term energy storage

Explanation:

ATP can't be used to store energy for long periods of time because most cells only have a small amount of ATP.

B is the answer!

Explanation: Hope this helps :)

answer; /// i do believe the correct answer is (

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.