The Living World 8th Edition by George Johnson

تمرين 9

Which of the following paths reflects the correct flow of air into the lungs?
A) nasal ? cavity ? bronchus trachea ? alveoli ? capillary
B) trachea ? bronchus ? capillaries ? alveoli
C) nostrils ? nasal ? cavity ? trachea ? bronchus ? alveoli
D) nostrils ? bronchus ? trachea ? alveoli
Which of the following is not involved in mammalian respiration?
A) diffusion of oxygen
B) active transport of carbon dioxide
C) the creation of negative pressure
D) the chloride shift