Hormones
act at a distance between body parts. travels through the circulatory system to its target organ. Cells respond to a hormone depending on their receptors.they combine in a lock-and-key manner.Two types: Steroid and Peptide
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Hormones
act at a distance between body parts. travels through the circulatory system to its target organ. Cells respond to a hormone depending on their receptors.they combine in a lock-and-key manner.Two types: Steroid and Peptide