1 human reproductive systems ppt choi… · that increase blood flow to the penis • need to have...
TRANSCRIPT
Slide 1
Female Male
Human Reproductive Systems
Slide 2
Female Anatomy
• Born with about 1 million eggs1
• 300,000 eggs at puberty, 400 eggs released in a lifetime
• Female sterilization (tubal ligation) Illustration: Wikipedia: Female Reproductive System
Scheme_female_reproductive_system-en.svg
Slide 3
Female Anatomy
1. fallopian tube2. bladder3. pubic bone4. clitoris5. urethra6. vagina7. ovary8. sigmoid colon9. uterus10. fornix11. cervix12. rectum13. anus
Illustration: Wikipedia: Female Reproductive System female_reproductive_system_lateral.png
Slide 4
Menstrual Cycle
Slide 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
Slide 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
Slide 7
Male
Illustration: http://en.wikipedia.org/wiki/File:Male_anatomy_en.svg
• Millions of sperm in 1 ejaculation –about 1 Tbsp.
• Male sterilization (vasectomy)
• $350-$1,000
• Reconnect is 60% effective
Slide 8
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
Slide 9
Fertilization
Used with permission from The Merck Manual of Medical Information – Home Edition, edited by Robert S. Porter. Copyright 2007 by Merck & Co., Inc., Whitehouse Station, NJ. Available at: http://www.merck.com/mmhe. Accessed 3/1/10.
Slide 10
End Notes
1. http://www.medicinenet.com/female_reproductive_system/page3.htm
2. www.merck.com/mmhe/