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Ch.13 Reproduction in humans (Birth control (Prevent fertilisation (Rhythm…
Ch.13 Reproduction in humans
Reproductive systems
Male
Testes, scrotum
Penis
Epididymis, vas deferens, Urethra
Glands: seminal vesicles, prostate gland, Cowper's gland
Female
Ovary
Oviduct
Uterus
Vagina, cervix
Gametes
Male - Sperms
Female - Ova
Ovulation
Menstrual cycle
1-5: Menstruation
5-14: Thickening of uterine lining
14: Ovulation
Fertilisation
Copulation, ejaculation
Fertilisation
Significance
Reason why sperms die
Movement of sperms
Implantation
Development of foetus
Amnion, amnion fluid
Functions
Placenta
Umbilical cord
Separation of maternal and foetal blood
Exchange of materials
Structural adaptation
Barrier of harmful substances, hormone secretion
Gestation period
Twins
Identical vs Fraternal
Birth process
Dilation
Expulsion of foetus
Expulsion of placenta
Parental care
Breast-feeding over bottle-feeding
Special dietary requirement
Birth control
Significance
Prevent ovulation
Hormonal methods (contraceptive pills/patches/injections)
Prevent fertilisation
Rhythm method (11-15)
Barrier methods (diaphragm, condom, spermicide)
Surgical methods (tubal ligation, vasectomy)
Prevent implantation
Intrauterine device
Infertile
Reason
Treatment