1. Human Reproduction

2. Male Reproductive System
To produce, maintain and transport sperm (male gamete) in protective fluid (semen)
To discharge sperm within the female reproductive tract
To produce and secrete male sex hormones

3. Sperm Cell Anatomy
A somatic cell has 46 chromosomes. How many chromosomes does a sperm cell have?

4. Testes and Epididymis

5. Male Reproductive System

6. Male Reproductive System
What is the function of the scrotum?

7. The Journey of Sperm Testes (sperm production) ↓
Epididymis (sperm storage and maturation)
Vas Deferens (transport)
↓← secretions from seminal vesicles, prostate gland, cowper’s gland produce semen
Urethra
Ejaculation (semen ejected from penis)

8. Vasectomy

9. Female Reproductive System
To produce, maintain, and transport the female egg cell to the site of fertilization.
To provide a safe and favorable environment for the development of the embryo.
To produce and secrete female sex hormones that maintain the menstrual cycle

10. Ovum (egg)

11. Female Reproductive System

12. Female Reproductive System

13. Female Reproductive System
*Fallopian tube is an alternate term for oviduct

14. The Journey of Sperm…continued
Vagina ↓
Cervix (mucus plug)
Uterus
Oviduct (site of fertilization) ↑
Ovary (egg released)
If fertilization occurs the embryo implants into inner wall of uterus (endometrium).

15. Fertilization

16. Eggs mature within follicles
ovum

17. Follicle Development Maturation of follicle Ovulation
Formation of corpus luteum
Deterioration of corpus luteum (menstruation)

18. Hormones of the Menstrual Cycle
Source
Target
Effect
Feedback
Leutenizing (LH)
pituitary
ovary
ovulation
Follicle-stimulating (FSH)
maturation
Estrogen
ovary(follicle)
uterus
thickening of uterine lining
sexual receptivity? LH
FSH
(+ LH day 12-14)
Progesterone
ovary (corpus luteum)

20. ID the hormones of the menstrual cycle