1. Body Systems:
Reproductive System

2. The Endocrine System & the Nervous System
Both regulate body activities
Nervous system uses nerve impulses
Endocrine system uses chemicals = hormones

3. Sexual Reproduction:
sperm
egg cell
Baby Human
Male
Female

4. Fertilization: the joining of a sperm & egg
Only 1 sperm penetrates the egg
As soon as 1 sperm penetrates the egg, the wall thickens to keep out competing sperm

5. The Male Reproductive Structures:
testes
scrotum
penis

6. Male Sex Cell= Sperm swim using tails carried in fluid called semen
5-10 million sperm per drop of semen

7. The Female Reproductive Structures:
ovaries
fallopian tubes
uterus
vagina

8. Female Sex Cell= Egg 1 egg released per month
400,000 eggs stored in ovaries
500 will be released in lifetime

9. Menstrual Cycle: Monthly Cycle of changes
Keep it ready for pregnancy which begins after fertilization
Ovulation
Menstruation

10. Menstrual Cycle: As you watch, try to identify: ovulation
egg moving through fallopian tube
thickening of the lining of the uterus
unfertilized egg entering uterus
the sloughing off of the lining of the uterus