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3ESO. Reproductive system.

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Índex.
- Reproduction function.
- Sexuality.
- Reproductive systems anatomy.
- Ovarian and mesntrual cycle.
- Fertilization process.
- Gestation and birth.
- Contraceptive methods.

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3ESO. Reproductive system.

  1. 1. THE REPRODUCTION FUNCTION The male and female reproductive systems.
  2. 2. Index  Reproduction function  Sexuality.  Reproductive systems anatomy: female and male organs.  Ovarian and menstrual cycle.  Fertilization process.  Gestation and birth.  Contraceptive methods.
  3. 3.  The reproductive system or genital system is a system of sex organs within an organism which work together for the purpose of sexual reproduction.  Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system.
  4. 4.  Human reproduction is sexual.  Male and female produce gametes: sperm and egg cells.  Gametes are produced in gonads.  Human species shows 2 sexes: male and female.  Gametes join through fertilization and originate the zygote.  Fertilization is internal.  We are viviparous. What do these characteristics imply? CHARACTERISTICS OF HUMAN REPRODUCTION.
  5. 5. Reproduction is the result of physical contact between two individuals who are attracted to one another. Sexuality in humans is not only linked to reproduction, but also linked to feelings and emotions necessary for people’s psychological development. THERE IS NOT JUST ONE WAY OF PERCEIVING SEXUALITY. IT IS A PERSONAL DECISION. ANY SOCIETY THAT CONSIDERS ITSELF TO BE FREE AND DEMOCRATIC, SHOULD RESPECT DIFFERENT SEXUAL ORIENTATIONS. SEXUALITY.
  6. 6. Menarche: 1st menstruation. Spermarche: 1st ejaculation.
  7. 7. Corpus cavernosum MALE REPRODUCTIVE SYSTEM
  8. 8. Fallopian tube Fallopian tube Ovary Ovary Uterus Cervix Endometrium Miometrium FEMALE REPRODUCTIVE SYSTEM
  9. 9. Fallopian tube
  10. 10. VAGINA: Aloja el pene durante el coito. Canal de salida de la sangre mentrual, y de los bebén en partos “naturales”. VEJIGA RECTOLABIOS MENORES LABIOS MAYORES TROMPA DE FALOPIO: Canales que transportan los óvulos desde los ovarios al útero. FIMBRIAS: tentáculos que oscilan recogiendo y guiando al óvulo hacia el interior de la trompa. Folículo conteniendo un óvulo inmaduro. OVARIO: Al nacer contienen millones de folículos ováricos primarios. Durante la pubertad, maduran liberando un óvulo al mes (ovulación) ÚTERO: Durante el embarazo, se expande a medida que crece el feto. CÉRVIX o CUELLO DEL ÚTERO: Es el extremo inferior y estrecho del útero. CLÍTORIS: Posee un tejido esponjoso que se endurece e hincha durante la estimulación sexual.
  11. 11. En el libro de texto hay varios errores.
  12. 12. Follicular phase Ovulation Secretory phase OOGENESIS: formation, maduration, and release of an ovum. UTERINE CYCLE: modifications of the female sexual organs. Period
  13. 13. Fertilization takes place inside the female reproductive system after copulation. Every ejaculation 300-400 million sperm cells are released. Just one will fertilize the egg cell. Upon encountering the secondary oocyte, the acrosome of the sperm cell produces enzymes which allow it to burrow through the outer jelly coat of the egg. The sperm plasma then fuses with the egg’s plasma membrane, the sperm head disconects from it flagellum and the egg travels down the Fallopian tube to reach the uterus.
  14. 14. CONTRACEPTIVE METHODS Natural Artificial Abstinence Basal temperature Ogino Billings method Sympto-thermal Coitus interruptus Male condom Female condom (Protect against STI) Diaphragm IUD (intreuterine device) Spermicides Hormone contraceptives *Morning-after pill *5 day morning after pill (*Emergency contraception) Tubal ligation Vasectomy BARRIER M. CHEMICAL M. SURGICAL M.

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