On a child, the sternum should be compressed:

For many years, the primary source of insulin for treating diabetes mellitus was the extract of:

a. primate pancreas. c. equine pancreas. b. porcine pancreas. d. human pancreas.

What effect does the sympathetic nervous system have on the heart?

A) It increases the speed and strength of contractions. B) It makes the heart more likely to fail. C) It makes the heart less responsive to medication. D) It slows the speed and decreases the strength of contractions.