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Hormones. Fool.
All hormones are blood-borne.All hormones are "chemical messengers."
i think is hormones
the glands produce hormones
They are called hormones.
I believe they are called chemical messengers because of their function and the fact it is a chemical. They travel through the blood and target cells respond to hormones often because of their structure. I have read in a science book (McDougal Littell 's Human Biology) that they are called chemical messengers because they are made at one location and function at another.
Hormones. Fool.
All hormones are blood-borne.All hormones are "chemical messengers."
Hormones
i think is hormones
the glands produce hormones
They are called hormones.
Hormones within a chemical class have the same function, but act on different substrates.
"hormones"
gonadotrophins, glucocorticoidsand growth hormones
The chemical messages are called as hormones. They are released by the ductless endocrine glands into the bloodstream.
The chemical messenger is a hormone which are produced by endocrine glands