biology- hormones 0.0 / 5 ? BiologyhormonesGCSEAQA Created by: fia21Created on: 11-04-14 17:49 define:hormone chemical messages which travel in blood to activate a target cell 1 of 14 what do hormones do? control things in organs that need constant adjustment 2 of 14 how are hormones produced? pituitary gland and ovaries 3 of 14 what hormone does ovaries produce? oestrogen 4 of 14 which hormones do pituitary glands produce FSH and LH 5 of 14 whats fsh and lh stand for follicule stimulating hormone, luteinizing hormone 6 of 14 define: menstrual cycle monthly release of a womens egg from her ovaries and the building up and breaking down of her uterus 7 of 14 what happens at stage 1 of the menstrual cycle the uterus lining breaks down for 4 days 8 of 14 stage 2 the lining builds back up 9 of 14 stage 3 an egg is released from the ovary at day 14 10 of 14 stage 4 the wall id maintained for 14 days until 28 days if no fertilisation happens the lining will break down again 11 of 14 what does fsh do? causes eggs to mature, stimulates the ovaries 12 of 14 what does lh do? stimulates the release of the egg at the middle of the cycle 13 of 14 what does oestrogen do? causes the pituitary gland to produce lh, inhibits the further release of fsh 14 of 14
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