The small intestine includes all of the following except _____.

The _____ are the smallest blood vessels.

Millions of spermatozoa are released during one ejaculation.

The small intestine includes all of the following except _____.

_________ carry impulses from the brain to the effectors (the muscles or glands they control).

Hypothyroidism is excessive functional activity of the thyroid gland.

Excess tissue fluid and damaged cells are filtered from the lymph in the _____.

The __________ is a muscular tube that stretches from the lips to the anus.

_________ is a highly infectious airborne disease that can begin in the lungs and spread through other parts of the body.

__________ is the wavelike muscular action of the alimentary canal.