The functional unit of the lungs, where gas exchange occurs, are the:

The job of the cardiac conduction system is to

A) cause depolarization of myocardial cells. B) conduct electrical impulses. C) propagate electrical impulses. D) all of the above.

Some people believe that _______________ is justified if a patient is experiencing pain and suffering from an incurable disease, while others consider this to be a crime

Fill in the blank(s) with correct word