Exam (elaborations)
BIOLOGY MISC 4. Endocrine system Complete Study Guide_ Guaranteed Success.
- Course
- BIOLOGY MISC
- Institution
- Stem Early College
Endocrine system - An animal hormone is a chemical signal that is secreted into the extracellular fluid, circulates in the blood or hemolymph, and communicates regulatory messages within the body. ○ A hormone may reach all parts of the body, but only specific target cells have the receptors ...
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