Which gland secretes growth hormone?
a. hypothalamus
b. pituitary gland
c. thyroid gland
d. adrenal gland user: which organ secretes a hormone that regulates the rate of metabolism in the human body?
a. kidney
b. spleen
c. pancreas
d. thyroid

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus