HIV attacks and destroys the:

Breathing room air, a normal PAO2 – PaO2 of 5 to 10 mm Hg exists due to which of the follow-ing?

1. Anatomical shunts in the pulmonary and cardiac circulations 2. Normal limitations to O2 diffusion in the lung 3. Regional differences in pulmonary ventilation and blood flow a. 1 and 3 only b. 2 and 4 only c. 1, 2, and 3 d. 1 and 2 only

Anatomy studies the physical, mechanical, and biochemical processes that go on inside the body every day.

Answer the following statement true (T) or false (F)