to delay or trigger the next phase of cycle
Heart and lungs works hand in hand. Not only that they are close to each other but they also work to make sure that body gets enough oxygen that it needs to live. It is the heart that pumps blood through the body it passes through the lungs. then it is the job of the lungs to supply oxygen together with the blood that heart pumps.
A major difference between mammalian spermatogenesis and oogenesis is <span>the number of gametes made per month.</span>
<span>Prophase, metaphase, anaphase, and telophase</span>
