A Student Is Reviewing Pulmonary Anatomy and Physiology

A student is reviewing pulmonary anatomy and physiology. What statement by the student indicates the need to study more?

A) Oxygen diffuses passively from the alveoli to the pulmonary capillaries.
B) To have adequate oxygenation, a person must have adequate hemoglobin.
C) Alveoli can collapse and recover without causing problems.
D) The byproducts of cellular respiration include carbon dioxide and water.