Describe: in your own words, describe the movement of air when you inhale. (it doesn't have to be super long just like one semi-long sentence.)

The air goes through your lungs and makes your lungs larger and when you exhale your lungs get smaller

Explanation:

When you breathe out, or exhale, your diaphragm and rib muscles relax, reducing the space in the chest cavity. As the chest cavity gets smaller, your lungs deflate, similar to releasing of air from a balloon.

Explanation:

Hope I helped

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.