_________ is a vasoconstrictor that causes a vascular spasm that temporarily closes a blood vessel.

Much of the relationship between the nervous and endocrine system is maintained or controlled within the __________ and the pituitary gland.

The vagina forms the external part of the female reproductive system.

All of the following hormones are produced by the thyroid except _____.

All of the following hormones are produced by the thyroid except _____.

Clear, yellowish urine may indicate infection.

Decreased output of insulin causes which condition?

Massage is contraindicated in the post-acute stage of the common cold.

Massage is contraindicated in the post-acute stage of the common cold.

Which of the following is a hormone that regulates the blood level of calcium?