Coordination and control – the endocrine system
x

Hormones as chemical messengers

Hormones as chemical messengers

Labelled human endocrine system showing pituitary, thyroid, adrenal glands, testes and ovaries with hormones in blood and target cell receptors

The endocrine system coordinates organs using hormones carried in the blood. The nervous system uses electrical impulses for fast, short-lived responses, while endocrine responses are usually slower but longer-lasting.

Coordination and control – the endocrine system Lesson

  1. GCSE
  2. /Biology
  3. /Coordination and control – the endocrine system