Use the drop-down menus to indicate which endocrine structure is being described in each case.
is an endocrine and exocrine gland that secretes juices with enzymes for
digestion.
help with protection and digestion in the mouth.
secretes bile for digestion.
secrete tears to moisten eyes and protect them from particles and infection.
regulates water, salt, and temperature.
help to form a protective barrier on the skin.