In the human male and female reproductive systems, each system contains paired primary sex organs called _____, which contain _____ that give rise to gametes.

If you wanted to change airflow to alveoli, what tissue would you need to target?

In humans, the muscular tube into which urine from the kidney first drains is the

The enzyme that breaks down fats is

If you were a doctor working with a patient whose digestion had slowed markedly, you might measure the patient’s production of

Although the lymphatic system has many similarities to the circulatory system, what can the lymphatic system accomplish that the circulatory system cannot?

Animals that consume decaying organic matter as their main source of food are

The semisolid mass of food and gastric juice in the human stomach is termed

Rh incompatibility is due to an immune reaction to what by a pregnant woman?

The two closely allied organ systems that allow for running, swimming, and flying under the direction of the nervous system are the