I think its that They have the same mass
Birds have inspired flight and horses of inspired locomotis and cars yet none of today’s transportation vehicles for symbol medal skeletons of living breathing self replicating animals. However they do succeed in lifting of the ground in the same function as a bird, as well as the landing.
The electron transport chain is the final step in cellular respiration and this process occurs along the inner membrane of our mitochondria .Inside our mitochondria ,the cells energy producing organelle,there is a membrane.