One function of the human excretory system is:
1. making materials that the body cells need
2. removing excess heat energy from the body
3. moving substances to and from body cells
4. controlling the body's responses to stimuli

The fauces connects which of th following structures to the oropharynx

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Phosgene is a chemical agent that is formed by decomposition of chlorinated hydrocarbon solvents by ultraviolet radiation. a. false b. true