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Hormones are the major chemical messengers used by the endocrine system.
Hormones are produced in the endocrine system.
Endocrine system
The chemicals secreted by the endocrine system are known as hormones. These chemical messengers are carried by the circulatory system to their target tissues.
The chemical messenger is a hormone which are produced by endocrine glands
the endocrine system
hormones
hormones
Hormones
the chemical substance produced by the endocrine glands are hormones. hormones are chemicals that are released by a cell in one party of the body, that sends out messages that can affect cells in other parts of the organism. -Laniie and Maxxie
endocrine system
Hormones