22. The Respiratory System

The exchange of gases between blood and the air in the lungs is known as:

Most physiological measures are taken during eupnea, or quiet breathing. This means that:

Ventilation occurs when:

Which of the following are functions of the respiratory system? Circle all that apply.

a. Providing for speech

b. Regulating the autonomic nervous system

c. Maintaining the acid-base balance of the blood

d. Temperature homeostasis

e. Raising the pressure in the abdominopelvic cavity

f. Assisting in blood pressure regulation

Air enters the lungs through the hollow passages known collectively as the _____, which terminate in grapelike clusters called _____. The lungs are encased in the ____ membranes.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

The trachea contains O-shaped rings of hyaline cartilage.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Goblet cells secrete serous fluid into the respiratory tract.