Hormones are chemical substances secreted by glands that affect the functioning of organs.

Name: Hormones are chemical substances secreted by glands that affect the functioning of organs.
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This statement is true. Hormones are chemical messengers secreted by glands into the bloodstream, where they travel to target organs and affect their functions. Examples of glands that secrete hormones include the thyroid gland, adrenal gland, and pituitary gland.

Hormones Are Chemical Substances Secreted by Glands That Affect the Functioning