1. The endocrine system
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6 Terms
What is endocrine system?
A system of glands which release hormones into the bloodstream. Hormones act as a chemical messengers- circulate in the bloodstream and affect target organs
What is the main gland?
Pituitary gland.
-Located in the brain
-Controls the release of hormones from all other endocrine glands in the body
-Controlled by hypothalamus
-Releases hormones like Luteinising Hormone and Follicle Stimulating Hormone
-Stimulates ovaries to produce oestrogen; testes to produce testosterone and sperm
Pineal gland
Releases melatonin, controls sleep/wake cycle
Adrenal gland
Releases adrenaline and noradrenaline, controls sympathetic division, important in flight or fight response
Ovaries
Releases oestrogen, controls female reproductive system + menstrual cycle
Testes
Releases testosterone, controls male sex characteristics + sperm production
