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A-Level Biology OCR A

Target Hormonal Blood Cells Describe Communication Works General

Hormonal communication involves hormones being secreted into the bloodstream when a gland is stimulated, traveling to target cells via the blood, and binding to specific receptors to elicit a response.

Hormonal communication involves hormones being secreted into the bloodstream when a gland is stimulated, traveling to target cells via the blood, and binding to specific receptors to elicit a response.

Front Describe how hormonal communication works in general.
Back Hormonal communication:
  • Secreted directly into bloodstream when gland stimulated
  • Transported in blood plasma, diffuse out of blood and bind to specific receptors for that hormone (on membrane or within cytoplasm) of target cells in the target organs
  • Once bound, they stimulate target cells to produce a response

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