1. Human Reproductive System

2. Male Reproductive System

3. Sperm Formation MEIOSIS Form in testes Temperature important! Scrotum
Leave testes via epididymus to the vas deferens

4. Semen Fluids help to transport, feed, and protect sperm
Seminal vesicles
Prostate gland
Bulbourethral glands

5. Secondary Sexual Characteristics - Male
Produced by testosterone
Deeper voice
Axillary and pubic hair
Chest and facial hair
Lengthen bones
Increased size of testes for sperm production

6. Female Reproductive System

7. Ovum Formation MEIOSIS Ova are formed before birth
1 ovum per month is matured and released from ovaries

8. Secondary Sexual Characteristics - Female
Induced by increased LH, FSH, estrogen, and progesterone hormone levels
Axillary and pubic hair
Widen pelvis
Enlarge mammary tissue
Begin menstrual cycles

9. Fertilization Occurs in upper 1/3 of Fallopian tube
Once one sperm enters, egg membrane changes
Fertilized egg = zygote

10. Implantation Implanted into thick walls of uterus
Chorion membranes dig into uterus to form placenta
Embryo supported via umbilical cord
Once pregnant, progesterone levels stay high in mom

11. 1st Trimester Heart develops first Neural tube develops
All body systems appear by Week 8 – Now a Fetus

12. 2nd Trimester Mostly growth Looks more like a baby
Some preemies survive at this stage

13. 3rd Trimester More growth Kicking, rolling, stretching
Eyes open – Week 32
Lungs mature
Rotates to head-down
position

14. Birth Labor Uterine contractions begin Cervix dilates to 10 cm. Birth
Uterus pushes baby through vaginal canal
Placenta delivered after

16. Most of this not fun?