Biology Hormones and menstrual cycle 0.0 / 5 ? BiologylIGCSENone Created by: phoebereynoldsCreated on: 21-04-14 13:53 What are hormones Chemical messages sent in the blood to activate target cells 1 of 15 Where are hormones produced? Glands 2 of 15 Which hormones does the pituitary glands produce? LH,FSH,ADH 3 of 15 What do the ovaries produce? oestrogen 4 of 15 What does oestrogen do? Controls the menstral cycle 5 of 15 What does the pancreas produce? insulin for the control of blood sugar 6 of 15 What do the testes produce? testosterone 7 of 15 Whats different about the nerves to the hormones? send fast message,act for a short time,act on precise area 8 of 15 Whats stage 1 of the menstrual cycle? The uterus lining breaks down for about 4 days 9 of 15 Whats stage 2 of the menstrual cycle? The lining of the womb builds up(from day 4 to 14) into a thick layer ready to receive a egg 10 of 15 Whats stage 3 of the menstrual cycle? An egg is developed and released from the ovary at day 14 11 of 15 Whats stage 4 of the menstrual cycle? If no fertilised egg has landed on the uterus wall by day 28 the lining breaks down and the whole cycle starts again 12 of 15 FSH... produced by pituitary gland,causes egg to mature in one of the ovaries,stimulates the ovaries to produce oestrogen 13 of 15 Oestrogen... produced in the ovaries,causes pituitary to produce LH,Inhibits the further release of FSH 14 of 15 LH... produced by the pituitary gland,stimulates the release of an egg at the middle of the menstrual cycle 15 of 15
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