The body's growth & development are controlled by these substances secreted by the endocrine glands
[DOC] [TLE] human endocrine system | anatomy | Britannica.com [PAR] Human endocrine system, group of ductless glands that regulate body processes 
... and an exocrine gland, which secretes substances through a duct opening in a 
... of living organismsgrowth, development, and reproductionto proceed in an 
...