What is unique about blood in pulmonary arteries compared with blood in other arteries?
a. It is loaded with carbon dioxide.
b. It is moving toward the heart.
c. Blood in pulmonary arteries is always blue; it is red in all other arteries.
d. It is the same as blood in other arteries.
e. It is moving away from the heart.
What is the order of passage as air is inhaled during ventilation of the lungs in a typical mammal?
a. nasal cavity, larynx, pharynx, trachea, bronchus, bronchiole, alveolus
b. nasal cavity, pharynx, larynx, trachea, bronchiole, bronchus, alveolus
c. nasal cavity, pharynx, larynx, bronchiole, bronchus, trachea, alveolus
d. nasal cavity, pharynx, larynx, trachea, bronchus, bronchiole, alveolus