1 / 10

The Reproductive System

Explore the intricate workings of the human reproductive system, focusing on male and female sex organs. Learn about the key structures, including the testis, scrotum, prostate gland, ovaries, uterus, and more. Understand the main functions such as hormone production, sperm and egg development, and the processes of fertilization and pregnancy. Gain insights into puberty, the menstrual cycle, and the stages of pregnancy and birth. This comprehensive overview helps demystify the essential biology of human reproduction.

evan-salazar
Télécharger la présentation

The Reproductive System

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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

More Related