The major endocrine organs of the body a. tend to be very large organs. b. are closely connected with each other. c. all contribute to the same function (digestion). d. tend to lie near the midline of...

The major endocrine organs of the body

a. tend to be very large organs.

b. are closely connected with each other.

c. all contribute to the same function (digestion).

d. tend to lie near the midline of the body.

Which of the following is (are) true of the hormone melatonin?

a. It is a releasing hormone.

b. Its level is the highest at night.

c. It is a sleep trigger.

d. Iodine is needed to produce it.