rvavawev 0.0 / 5 ? ChemistryOrganic and Green ChemistryGCSEWJEC Created by: dbearneCreated on: 28-02-18 18:22 What happens during puberty? Your body starts releasing sex hormones that trigger off secondary sexual characteristics 1 of 11 What is the main reproductive hormone for men? Testosterone (produced by the testes and stimulates sperm production) 2 of 11 What is the main reproductive hormone for women? Oestrogen (produced by the ovaries and is involved in the menstrual cycle) 3 of 11 Menstrual cycle- Stage 1 The uterus lining breaks down (day 1-4) 4 of 11 Menstrual cycle- Stage 2 The uterus lining builds up again (day 4-14) 5 of 11 Menstrual cycle- Stage 3 An egg develops and is released from the ovary (day 14 ovulation) 6 of 11 Menstrual cycle- Stage 4 The wall is then maintained (day 14-28) 7 of 11 Oestrogen Produced in the ovaries. Causes the lining of the uleterus to grow. Stimulates release of LH and inhibits release of FSH 8 of 11 FSH Produced in the pituitary gland. Causes an egg to mature in a follicle structure. Stimulates the ovaries to produce oestrogen 9 of 11 LH Produced by the pituitary gland. Stimulates the release of an egg at day 14 (ovulation) 10 of 11 Progesterone Produced in the ovaries by the remains of folllicle after ovulation. Maintains the lining of the uterus. Inhibits the release of LH and FSH 11 of 11
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