To give you an example of how this works, imagine your sudden rise in heart rate when danger threatens or an emergency situation arises – this is caused by another ‘remote control’ hormone: adrenaline. It would be far too complicated to communicate with each cell in the body directly, so instead the brain controls similar types of cells using hormones released in to the blood stream. They are like remote-control devices for your body’s many cells and systems. The field of medicine that deals with disorders of endocrine glands is endocrinology, a branch of the wider field of internal medicine.Įndocrine glands regulate your body chemistry by releasing hormones directly in to the blood system, which stimulate or inhibit activity in the target cells. The endocrine system is instrumental in regulating metabolism, growth, development and puberty, tissue function, and also plays a part in determining mood. The endocrine system is an integrated system of small organs that involve the release of extracellular signaling molecules known as hormones.
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