The body's growth & development are controlled by these substances secreted by the endocrine glands
These hormones (and a few of the protein hormones) circulate in the blood... [DOC] [TLE] The Endocrine System [PAR] 56.4 Endocrine glands secrete hormones that regulate many body ... the 
regulation of the body organs: the nervous system and the endocrine ... ter we 
will examine these regulatory molecules, the cells and glands that .... many 
endocrine glands is controlled by the nervous system.