Question 1
Most of the carbon dioxide produced by the body is transported to the lungs
◦ as a gas.
◦ dissolved in blood plasma.
◦ bound to potassium carbonate ions.
◦ as bicarbonate ions.
◦ as carbonic acid molecules.
Question 2
Mucus-secreting cells and cilia in the bronchi serve what function?
◦ help air exchange
◦ trap and remove bacteria and airborne particles
◦ destroy inhaled bacteria
◦ warm inspired air
◦ increase carbon dioxide removal