The cell membrane helps maintain homeostasis by controlling movement and what goes in or out of the cell.The cell membrane makes itself important by controlling the substances that penetrate the cell, either entering the cell, or leaving the cell<span>.</span>
Yes people are trying to plant more trees and promote awareness on afforestation and some have even started making rules the 'clean air act'
There heart began to beat faster and their body produce more sweat and there blood is following faet
B I’m pretty sure ! Hope this helped