Split reins are a piece of equipment used for communicating with a horse while it is being ridden. Split reins are actually two separate, individual reins that are used together, with one rein on each side of the horse's neck.
As discussed above, mitochondria are the sites of respiration, and generate chemical energy in the form of ATP by metabolizing sugars, fats, and other chemical fuels with the assistance of molecular oxygen.
Structure and Function of Mitochondria. Mitochondria structure is quite compact and all of its functions happen within this structure. Structure of mitochondria. They are sac like double membranes structures present in the cytoplasm of cell. They can be seen only under an electron microscope.