Oxygen is important in cellular respiration but it does not come into the reaction until the final stage and acts as the? an additional source of energy the final hydrogen acceptor the waste product of respiration an enzyme in the reaction signo

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body