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human reproduction

lc biology

QuestionAnswer
what is the function of the testis in the male reproductive system? produces sperm and testosterone
what is the function of the sminal vesicles, cowper's gland and prostate gland? produces seminal fluid.
what is the fuction of the ovaries and the fallopian tubes in the female reproductive system the ovary produces the egg(ova) whilst the fallopian tube is the site of fertilisation.
what happens on day 6-14 in the menstrual cycle? the hormone oestrogen is produced by the graafian follicle: it causes the endometrium to build up again and prevents anymore eggs being produced.
whats the hormone that causes further contractions of the uterus in birth? oxytocin
milk production is triggered by what hormone? prolactin.
what are the benefits of breast feeding? -colostrum and breastmilk provide antibodies to protect the baby against infection -ideal balance of nutrients and contains little fat.
name a chemical and mechanical type of contaception? chemical: the contraceptive "pill" mechanical: the use of condoms
name one male infertility disorder and its causes and treatment low sperm count. caused by drugs alcohol and stress. treament invloves change in diet reduction of stress
name an infertility disorder in females and its causes and treatment? blockage of fallopian tubes. caused by the lining of the uterus spreading to fallopian tube or inflammation. treatment invloves I.V.F
what is IVF? it involves removing eggs from an ovary and fertilising them outside the body before placing them into the females uterus.
what is the role of meiosis in sperm and eggs production? sperm and egg producing cells are diploid (46 chromosomes) they divide by meiosis to form sperm and egg cells each one has 23 chromosomes each.
Created by: jemma
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