Human Reproductive Systems Lesson 1: Male and Female Human Reproductive Systems 1

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 tem-en.svg tem-en.svg Human Reproductive Systems 2

Female Anatomy Sternberg, Elf (2003). File:Female reproductive systems laternal.png. Retrieved from Human Reproductive Systems 3

Menstrual Cycle Human Reproductive Systems 4

Ovary Development Human Reproductive Systems 5

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

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

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

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

Male Anatomy Human Reproductive Systems 10 Sternberg, Elf (2003). File:Male anatomy.png. Retrieved from

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

Fertilization Porter, Robert S. (2010). Merck Manual of Medical Information – Home Edition, Retrieved from Human Reproductive Systems 12

Human Reproductive Systems Lesson 2: Embryonic Development Human Reproductive Systems 13

Sperm and Ovary Development Human Reproductive Systems 14

Development of the Embryo Human Reproductive Systems 15

Looking Closer at the Blastocyst Human Reproductive Systems 16

Ovulation to Implementation Human Reproductive Systems 17

Embryo – First 25 Days Human Reproductive Systems 18

Human Reproductive Systems 19 For more information please contact Realityworks, Inc. through at or call toll free at A