Which of these statements is most correct regarding the difference between respiration and ventilation?

A) Ventilation describes the absorption of O2 into the cells, while ventilation is the excretion of CO2 from the cells
B) Ventilation describes the exchange of gases at the cellular level, while respiration describes the same process between the lungs and the external environment
C) Respiration describes the exchange of O2 and CO2, while ventilation describes the movement of air that carries them into and out of the body
D) Respiration and ventilation are similar terms that both describe normal and healthy breathing in the living organism

C) Respiration describes the exchange of O2 and CO2, while ventilation describes the movement of air that carries them into and out of the body