Based on Poiseuille's Law, the work of breathing increases by factor of ____ when the radius (r) of the airway is reduced by half its original size.

When resistance increases, flow:

A) stays the same. B) varies. C) increases. D) decreases.

Which of the following is a function of the large intestine?

a. Absorbs water b. Temporarily holds food c. Digests food d. Absorbs nutrients