Grade 9 Health Unit 2: Sexuality

1. Grade 9 Health Unit 2: Sexuality Agenda • Question box and Abc’s • What parts do you know- draw activity • Sexual Characteristics • Sexuality throughout the lifespan • Reproductive anatomy and systems • Menstruation, ovulation, fertilization • “Truth about sex “ video • Contraceptives and abstinence

2. Challenge: Get together with a group of 3. • Without looking at your notes, draw and label a simplified female and male reproductive anatomy diagram. • Use the proper names for the anatomy parts we discussed in class. • ** You only have a few minutes so don’t be silly.

3. born ovaries Sexual Characteristics vagina uterus Primary sex characteristics are the sexual characteristics that you are _______ with. For Females this includes:- _______________, _____________________, fallopian tubes, cervix, vulva (labia, clitoris), _______________ For Males this includes (see diagram) penis, vas deferens, prostate gland, testicles, scrotum, seminal vesicle, urethra, cowper's gland, foreskin. http://edjudo.com/interactive-resources-about-puberty-sex-and-the-reproductive-system.html

4. Puberty: For boys, puberty usually begins between the ages of ___________ when the pituitary gland in the brain sends a message to begin producing _____________ in the _____________, which triggers the following changes over the next 4-5 years. These are secondary sex characteristics. 10-14 testosterone testicles

5. broaden • Increased sexual desire • Oily skin • Sweat • Shoulders ______________ • Increased height • Body hair (pubic hair, chest, legs, face, arms) • ______________ gets larger and more wrinkled • _____________ production begins • Testicles grow (one may get bigger and hang lower than the other) • Nocturnal emissions (____________ during sleep, a.k.a. 'wet dreams') • Penis increases in ____________ and ____________ • Moody • Voice cracks and deepens scrotum sperm ejaculation length width

6. 8-12 For girls, puberty usually begins between the ages of ________ when the __________ gland in the brain sends a message to the ovaries to begin producing _____________ and ________________, which trigger a number of changes over the next 4-5 years. These are the secondary sexcharacteristics. pituitary estrogen progesterone

7. Increased sexual desire • Oily skin • Sweat • _________ widen • Increase in height • Body hair growth (pubic, underarm, leg) • ______________________ enlarge (may be sore) • Moody • _______________ begins • Vaginal ______________ hips Nipples and breasts menstruation discharge

8. Male Reproductive System • http://www.youtube.com/watch?v=WEzcK-OKd10 • http://www.youtube.com/watch?v=nr5W9trSv8I Definitions: (from top to bottom) • foreskin • vas deferens • Scrotum • Urethra • Testicles • prostate gland • Epididymis • penis

10. Female Reproductive Cycle 400 000 immature eggs When a female child is born, she already has a complete supply of approximately _________________________. From _________________ until ___________________, these eggs are released from the ovaries __________________ The female _________________________ is entirely internal. The passage that connects the _____________ and the _______________ to the outside of the body is called the_______________. The uterus is a _________________ ____ approximately the size of a pear, it is lined with a mucous membrane called the__________________. The __________________ extend backward and downward from the top of the uterus. The fallopian tubes are connected to the ovaries which house follicles each containing an_____________________. puberty menopause One at a time (1 per month) Reproductive system cervix uterus vagina Muscular organ endometrium Fallopian tubes Immature egg

11. http://kidshealth.org/teen/interactive/female_it.html#cat20015http://kidshealth.org/teen/interactive/female_it.html#cat20015 • Cervix: • -one of the more common sites for cancer in women • Small opening at the top of the vagina/bottom of the uterus • The opening is normally the size of a straw but dilates to 10cm for birth

12. Word Bank for: Ovulation, Menstruation and Fertilization fertilized umbilical exercise 3-7 hormone pregnant vagina fertilization fallopian ovulation pregnancy 14-16th 13-19 egg 28 sperm oxygen menstruation

13. Ovulation, Menstruation and Fertilization During puberty, a female’s reproductive system begins preparing for possible ________________ through menstruation, or monthly periods. The “typical menstrual cycle lasts _____ days; however, this varies with each female. The age that one starts to menstruate and the regularity of menstruation are affected by: genetics, ______________, nutrition and stress. pregnancy 28 exercise

14. Menstruation Menstruation describes the process where blood from the uterus (the lining) leaves the ___________. Day 1 of a menstrual cycle is on the first day of bleeding. This menstrual flow drips out gradually over _______days and can be preceded or accompanied by cramping, irritability and discomfort due to ______________ level changes. Even though it looks like a lot of blood, it’s actually about three tablespoons and is a mixture of blood, mucous and body cells. While menstrual flow is occurring, another egg is beginning to ripen in the ovaries. vagina 3-7 hormone

15. 14-16th egg Ovulation On approximately the _________ day of the menstrual cycle, an _____ (ovum) is released from an ovary and enters the ___________ tube. This process is called ____________________. During or near the time of ovulation, the female is most likely to get ____________; therefore there is an increased likelihood of _________________ between days _________. However, if for some reason ovulation has occurred at a different time of the cycle, fertilization can still occur which makes the ‘calendar method’ of birth control a poor birth control method. fallopian ovulation pregnant fertilization 13-19

16. The Menstrual Cycle

17. Fertilization If a female has sexual intercourse during or near the time of ovulation, and she and her partner have not taken precautions (e.g. birth control), her egg may be ____________by a male __________. The sperm and/or egg may survive for 2-4 days inside the fallopian tubes before fertilization takes place. Fertilization takes place in the fallopian tubes and then the fertilized egg implants and begins to grow in the lining of the uterus (due to progesterone), where the placenta is formed and connects to the ______________ cord of the baby. This cord supplies the developing child with nourishment, _______________ and removes its wastes. If the egg is not fertilized, the egg and lining are removed from the body through the process of _______________. fertilized sperm umbilical oxygen menstruation