<span>All cells use oxygen to convert raw food products into energy they can use for health. In the process they make a bi-product which is carbon dioxide and waste material. If there was no cellular respiration the cell would die, because they would be lacking the oxygen needed for food conversion, and they would have no means of getting rid of their waste products.</span>
I believe that its meiosis but I could be wrong.
the brain and heart are composed of 73% water, and the lungs are about 83% water.
At the very end of the cladogram at the very top of a clade in the middle of a clade along the main trunk of the cladogram