At higher elevations, there is less air pushing down from above, which allows the air molecules to move further away. This term is referred to as ________________.

What key innovations are associated with protists?

The pharynx is divided into three parts. Identify the names.

The diffusion of oxygen and carbon dioxide is usually accomplished in about ______ seconds. a. 0.25 b. 0.50 c. 0.80 d. 1

The mucus blanket is produced by: A. Pores of Kohn B. Lymphatic system C. Macrophages D. Goblet cells

Graham’s Law states that the amount of gas that dissolves in a liquid at a given temperature is proportional to the partial pressure of the gas.

Which of the following factors can alter the mucociliary transport mechanism? (Select all that apply)I. Excessive bronchial secretions II. Tobacco smoke III. Hypoxia IV. Air pollution 

How does the normal adult’s respiratory pattern change when lung compliance decreases?  

Which gas law is the law of partial pressure? A. Graham’s Law B. Dalton’s Law C. Henry’s Law  D. Boyle’s Law

Under normal resting conditions, blood moves through the alveolar capillary membrane in about  ________ seconds. a. .10 b. .25 c. .30 d. .75