The organelle called the Mitochondria, also known as the powerhouse of the cell
<span>Located down within the foot, the calcaneus is better known as the heel bone. It is situated in the back of the foot and it is here, in the calcaneal region that it is the only visible on the dorsal body surface.</span>
Sex<span> is determined by two chromosomes, X and Y. A female is XX, a male is XY. Since women completely lack the Y choromosome, they always contribute an X chromosome to the baby. The </span>sex<span> is determined by whether the sperm that fertilizes the egg is carrying another X or a Y.</span>
I have three but you can choose two out of them! Commensalism, Mutualism, and Parasitism<span>. (im so sorry if i get this wrong though!)</span>
