Cytoplasm. This photo should help explain it!
Answer: The population size will fluctuate as individuals adapt to the reduced availability of the limiting factor.
Answer: Vasodilation of the arteries lowers blood pressure and decreases the force that the heart muscle needs to exert to pump blood., the cell signaling mechanism begins when $NO$ diffuses into the smooth muscle cells of the blood vessel and activates guanylyl cyclase.
Explanation:
