Glossary

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hormones

One of many substances made by glands in the body. Hormones circulate in the bloodstream and control the actions of certain cells or organs. Some hormones can also be made in the laboratory.

G

glands

An organ that makes one or more substances, such as hormones, digestive juices, sweat, tears, saliva, or milk.

H

hormones

One of many substances made by glands in the body. Hormones circulate in the bloodstream and control the actions of certain cells or organs. Some hormones can also be made in the laboratory.

S

secrete

To form and release a substance. In the body, cells secrete substances, such as sweat that cools the body or hormones that act in other parts of the body.
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Form Approved OMB# 0925-0648 Exp. Date 05/31/2021