The female gonad is the _________.

Lymph from the legs, abdomen, left arm, and left side of the…

The lungs are composed of spongy tissue, blood vessels, conn…

_________ anemia is the result of excessive blood loss eithe…

In males, reproductive cells are called spermatozoa.

_________ anemia is the result of excessive blood loss eithe…

____________ occurs when the smooth muscles in the arterial…

____________ occurs when the smooth muscles in the arterial…

The chemical substances manufactured by the endocrine glands…

Which condition is caused by a viral infection?