The body's growth & development are controlled by these substances secreted by the endocrine glands
[DOC] [TLE] Endocrine System - humans, body, used, water, process, life, plants ... [PAR] These involve growth, reproduction, immunity (the body's ability to resist ... 
Hormones: Chemical substances secreted by endocrine glands that are ... 
Thyroid hormones play several important roles in growth, development, and 
metabolism.