Secretes

The pineal gland secretes melatonin.

Source: tatoeba (6218806)

Most structures that we call "coral" are, in fact, made up of hundreds to thousands of tiny coral creatures called polyps. Each soft-bodied polyp—most no thicker than a nickel—secretes a hard outer skeleton of limestone (calcium carbonate) that attaches either to rock or the dead skeletons of other polyps.

Source: tatoeba (6684491)

The pancreas secretes enzymes and hormones.

Source: tatoeba (11501735)

The pump developed by researchers is a double pump — in addition to insulin, it automatically secretes glucagon, a hormone that taps glucose reserves in the liver, raising blood sugar levels when they get too low, a condition called hypoglycemia.

Source: tatoeba (12277126)