Pplsss help me for brain liest allf or brain ty :( :D

I’m too lazy to answer everything but here it one maybe i’ll come back and answer some more later but for now

1.) Every system in the body relied in oxygen. From cognition to digestion, not only can breathing help provide a greater sense of mental clarity, it call also help you sleep better, digest food, improve you immune response, and reduce stress levels.

idk but if i had to take an educated guess i’d say a c d

What are you tryna ask us