During the life cycle of a plant, gametophyte is to n as sporophyte is to
a. n 2
b. 2n2.
c. 2n.
d. n2.

hi i’m going crazy about going tomorrow and i’ll tell you what i’m doing and i wanna is a way ya

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.