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Body Systems

Body Systems. Reproductive Systems: 1.Puberty 2.Body Parts 3. Life Choices 4. Pregnancy 5. STIs. Puberty 101 (puberty101.com). Puberty is usually defined as the time when the onset of sexual maturity occurs and the reproductive organs become functional.

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Body Systems

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  1. Body Systems Reproductive Systems: 1.Puberty 2.Body Parts 3. Life Choices 4. Pregnancy 5. STIs

  2. Puberty 101 (puberty101.com) • Puberty is usually defined as the time when the onset of sexual maturity occurs and the reproductive organs become functional. • It is the time when you become physically, mentally, and sexually mature • Different for everyone • Start time – no official date and time • Experiences - some good, some bad

  3. Puberty http://www.cfsh.ca/Your_Sexual_Health/Puberty.aspx

  4. Puberty for Males

  5. Puberty – change happen!

  6. Puberty for Females

  7. Puberty – change happens!

  8. Confusing time – ask questions • Ask questions of people you trust • Friends may think they know but really don’t understand either • Age doesn’t necessarily mean wiser • Don’t believe everything your read or hear • Check your information – it could save you embarrassment or worse

  9. Anatomy – get ready! • It is extremely important to know the correct terminology for human body parts • Sexual predators more likely to abuse child who does not know proper names • Court cases thrown out due to incorrect terminology • Medical conditions misdiagnosed due to lack of information

  10. Anatomy - Males • Male reproductive system outside of body – overheating can cause infertility • Males have two openings – urethra and anus • Circumcision – foreskin removed – cultural or religious choice • Sperm production begins at puberty and continues until death • Sperm produced in testicles • Seminal vesicles add semen (fluid) helping sperm move easier • Prostate gland – Prostate cancer leading cause of death in older men • Vasectomy – cutting or tying the Vas deferens to stop the flow of sperm

  11. Anatomy - Females • Female reproductive system is inside body • Females have three openings – urethra, vagina, anus • Reproductive years are between puberty and menopause (about10years to 55 years) • Eggs stored in ovaries – eggs woman is born with is all she has for life • Hysterectomy is a surgical removal of the uterus

  12. Menstrual Cycle • Menstruation is the shedding of the uterine lining • Approximately every 28 days • Uterus lining prepares for egg • If the egg is not fertilized the lining will shed • Cramping and uncomfortable stomach pains are associated with menstrual cycle

  13. Pregnancy • Conception: egg released and meets up with sperm – happens in fallopian tubes • 9 month (40 weeks) of development: • 1st trimester essential for foetal development • 2nd trimester – external genital organs begin to develop • 3rd trimester – earliest point at which foetus can potentially survive outside of womb

  14. Having a baby! • Placenta – sac that holds foetus and amniotic fluid • Umbilical cord – connects mother and foetus – what goes in mother gets into baby • Amniotic fluid – allows for baby to move and survive http://oneway.jesusanswers.com/images/12weekfetus.jpg

  15. Having a baby! • Contractions – muscle cramps pushing the baby down towards the vagina • Breech – bottom first, baby in V shape • Natural or vaginal birth – baby delivered through mother’s vagina • Caesarean birth – baby delivered with surgeon’s help through mother’s stomach

  16. It’s a . . . • Sex determined by father • X or Y sperm meets up with Female X egg • XX = female • XY = male • Twins: Identical = single egg dividing • Identical chromosomes • Common placenta • Fraternal = two eggs fertilized by two different sperms • Different chromosomes • Separate placenta • Variety of combinations of girl/boy etc

  17. Abortion – termination of pregnancy • Spontaneous – miscarriage, body spontaneously expels foetus from woman • Therapeutic – medically assisted • Surgical – manual vacuum aspiration (can be performed up to 20 weeks into pregnancy) • Medical - using the drugs Methotrexate and Misoprostol (only available up to 7 weeks)

  18. Safe Sex – avoiding pregnancy and STIs ABSTINENCE = 100% safe and effective!

  19. Contraceptives

  20. Sexually Transmitted Infections

  21. More information • http://www.cfsh.ca/ • http://puberty101.com/ • Family doctor • Fraser Valley Health clinic

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