in all organisms, including multicellular organisms need energy supply for the metabolic activities of the body. At the cellular level, energy is generated primarily by aerobic respiration hooatj deposition in the presence of oxygen required for ATP and carbon dioxide complex.
Through tring physiological process called respiration, oxygen taken from animals the external environment into the body and carbon dioxide emissions from the body into the environment
đang được dịch, vui lòng đợi..
