The human endocrine system
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I can explain how the human endocrine system uses glands and hormones to control changes in the body.
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The human body has an endocrine system that uses hormones to control changes in the body.
Hormones are chemicals secreted by glands, transported in blood plasma and detected by receptors on cells and tissues.
Changes in the body can be triggered by an increase in hormones (e.g. puberty) and a decrease in them (e.g. menopause).
Changes in the body are detected by receptors; the nervous system sends nerve impulses to glands to secrete hormones.
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