Anatomy and Physiology Quiz

Drugs are substances that are only used for recreational purposes.

Drugs are substances that are used to enhance athletic performance.

Drugs are substances that have no effect on the body.

Drugs are substances that are used to treat and cure diseases. (correct)

Muscles contract by making the bones shorter. (correct)

Muscles contract by making the bones longer.

Muscles contract by pulling the bones together.

Muscles contract by pushing the bones apart.

Skeletons grow and become larger. (correct)

Skeletons become softer and more flexible.

Skeletons shrink and become smaller.

Skeletons become transparent and invisible.