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The Reproductive System

The Reproductive System. Rainy Hastings Molly Sullivan. Male Sex Organs. Main Organs:. Testis Epididymis Scrotum Vas Deferens Seminal Vesicle Prostate Gland Urethra Erectile Tissue Glans Penis. Main functions : Produce hormones Sperm Impregnation. Female Sex Organs.

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The Reproductive System

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  1. The Reproductive System Rainy Hastings Molly Sullivan

  2. Male Sex Organs • Main Organs: • Testis • Epididymis • Scrotum • Vas Deferens • Seminal Vesicle • Prostate Gland • Urethra • Erectile Tissue • Glans Penis • Main functions: • Produce hormones • Sperm • Impregnation

  3. Female Sex Organs • Main Organs: • Ovaries • Fallopian Tubes (Oviducts) • Uterus • Vagina • Vulva • Breasts (Indirect) • Main functions: • Produce Ova (Eggs), • Fertilization & Implantion • House developing fetus • Produces hormones

  4. Female: External • Breasts • 1. Chest wall2. Pectoralis muscles3. Lobules4. Nipple • 5. Areola6. Milk duct7. Fatty tissue8. Skin Vulva A. Mons Veneris B. Labia Majora C. Labia Minora D. Clitoral Hood E. Clitoris F. Urethra G. Vaginal Opening H. Hymen J. Bartholin’s Glands J. Perineum K. Anus

  5. Puberty Female Puberty Male Puberty

  6. Puberty • Mind & Body sexually mature • Growth Spurts lasting 2-3 years • Girls: • 10-14 years old • Breast development • Pubic & Armpit Hair • Menstruation (Menarche) • Voice Deepens • Boys: • 12-16 years old • Enlargement of penis & testicles • Pubic, Armpit, & Facial Hair • Muscle Development • Voice Deepens

  7. Menstrual Cycle • Monthly Cycle • Shed Uterine Lining & Blood • Low Estrogen Levels • 3-5 days • Sign of Fertility • Hormonal Imbalance Causes: • Mood Swings • Cramps • Breast Tenderness

  8. Fertilization • Copulation • Combining gametes: • spermatozoon + oocyte = zygote • Cell division at 24hrs – blastocyst • Implantation • One week to travel

  9. Pregnancy http://upload.wikimedia.org/wikipedia/commons/5/5e/Fetal_movements_3D_Ultrasound_Dr._Wolfgang_Moroder.theora.ogv • Symptoms • Vomiting, Fatigue, missed period, hCG • 2 Stages • Embryonic & Fetal • Trimesters • 1st: includes time before implantation, rapid development (embryonic stage) • 2nd: baby bump, movement felt, 3inches • 3rd: weight gain, baby shift, 28g/day

  10. Birth • 3 stages • Dilation • Birth of Infant • Placental Expulsion

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