1. www.realityworks.com Human Reproductive Systems Lesson 1: Male and Female Human Reproductive Systems 1

2. www.realityworks.com Female Anatomy Born with about 1 million eggs 1 300,000 eggs at puberty, 400 eggs released in a lifetime Female sterilization (tubal ligation) CDC (2007). Scheme female reproductive systems-en.svg. Retrieved from https://commons.wikimedia.org/wiki/File:Scheme_female_reproductive_sys tem-en.svg https://commons.wikimedia.org/wiki/File:Scheme_female_reproductive_sys tem-en.svg Human Reproductive Systems 2

3. www.realityworks.com Female Anatomy Sternberg, Elf (2003). File:Female reproductive systems laternal.png. Retrieved from https://commons.wikimedia.org/wiki/File:Female_reproductive_system_lateral.png https://commons.wikimedia.org/wiki/File:Female_reproductive_system_lateral.png Human Reproductive Systems 3

4. www.realityworks.com Menstrual Cycle Human Reproductive Systems 4

5. www.realityworks.com Ovary Development Human Reproductive Systems 5

6. www.realityworks.com Menstrual Cramps Muscles of uterus and cervix tighten up to push the menstrual fluid out Occasional nausea and vomiting What helps? Heating pad Warm bath Aspirin, ibuprofen Exercise- oxygen to pelvis Decrease caffeine, refined sugars No tampons Treatment from doctor Human Reproductive Systems 6

7. www.realityworks.com Premenstrual Syndrome Mental and physical changes related to menstrual cycle Symptoms: Nervous tension, anxiety, irritability, bloating, weight gain, depression, mood swings, and fatigue, breast tenderness Causes: Imbalance of estrogen and progesterone Treatment determined by doctor Human Reproductive Systems 7

8. www.realityworks.com Parts of a Sperm Human Reproductive Systems 8 Mitochondri a Nec k Acrosom e Head Flagellu m Midpiece

9. www.realityworks.com Male Anatomy Millions of sperm in 1 ejaculation – about 1 Tbsp. Male sterilization (vasectomy) Cost: $350-$1,000 Reconnect is 60% effective Human Reproductive Systems 9

10. www.realityworks.com Male Anatomy Human Reproductive Systems 10 Sternberg, Elf (2003). File:Male anatomy.png. Retrieved from https://commons.wikimedia.org/wiki/File:Male_anatomy.png https://commons.wikimedia.org/wiki/File:Male_anatomy.png

11. www.realityworks.com Erection Occurs when imagination, vision, hearing, touch, smell or taste stimulates and arouses male Central nervous system sends nerve impulses that increase blood flow to the penis Need to have 4 things: Health central nervous system Healthy blood vessels Smooth muscle in penis Trap blood in penis Erectile dysfunction occurs at some point in life Caused by meds, smoking, alcohol, drugs, disease (diabetes), high cholesterol and atherosclerosis Human Reproductive Systems 11

12. www.realityworks.com Fertilization Porter, Robert S. (2010). Merck Manual of Medical Information – Home Edition, Retrieved from http://www.merck.com/mmhe. http://www.merck.com/mmhe Human Reproductive Systems 12

13. www.realityworks.com Human Reproductive Systems Lesson 2: Embryonic Development Human Reproductive Systems 13

14. www.realityworks.com Sperm and Ovary Development Human Reproductive Systems 14

15. www.realityworks.com Development of the Embryo Human Reproductive Systems 15

16. www.realityworks.com Looking Closer at the Blastocyst Human Reproductive Systems 16

17. www.realityworks.com Ovulation to Implementation Human Reproductive Systems 17

18. www.realityworks.com Embryo – First 25 Days Human Reproductive Systems 18

19. www.realityworks.com Human Reproductive Systems 19 For more information please contact Realityworks, Inc. through email at information@realityworks.com or call toll free at 800.830.1416 1036985-01A