The atomical plane denoting the vertical field running through the body from the front to the back dividing the body into the right and left sides

c

explanation:

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.

the answer is c. it will give up it's valence electron to the other atom.