Human Reproductive Systems - PowerPoint PPT Presentation

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Human Reproductive Systems

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Title: The Male Reproductive System Author: Kenton Last modified by: Tech Services Created Date: 3/18/2004 1:25:04 PM Document presentation format – PowerPoint PPT presentation

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Title: Human Reproductive Systems


1
Human Reproductive Systems
  • Our species lives on.

2
Male Sexual Development
  • Testosterone is the male reproductive hormone
  • Secreted in small amounts until puberty
  • Puberty begins when
  • Hypothalamus ? Pituitary ? increased FSH AND LH
    ? GONADS (TESTES)
  • GONADS ? TESTOSTERONE
  • Testosterone produces male 2ndary sex
    characteristics

3
Male Reproductive Parts
  • Testes
  • Male reproductive gland
  • Sperm produced
  • Scrotum
  • Protective sac around testes
  • Keeps testes cool
  • Epididymus
  • Stores sperm while they mature
  • Vas Deferens
  • Tube that carries sperm from epididymus to
    urethra

4
Diagram of Testicle
5
Male Reproductive Parts
  • Urethra
  • Tube that leads to outside of body through the
    penis
  • Other glands work together to produce seminal
    fluid.
  • Combination of sperm and seminal fluid semen

6
MALE REPRODUCTIVE SYSTEM
7
Female Sexual Development
  • Estrogen is the female reproductive hormone
  • Puberty begins when
  • Hypothalamus ? Pituitary ? increased FSH AND LH
    ? GONADS (OVARIES)
  • GONADS ? ESTROGEN
  • Estrogen produces female 2ndary sex
    characteristics

8
Female Reproductive Parts
  • Ovaries
  • Female Reproductive Gland
  • Eggs (ova) produced here
  • Also contain follicles
  • Place where eggs mature
  • Fallopian tubes (Oviduct)
  • Tubes that carry an egg from ovary to uterus
  • Place of fertilization
  • Uterus
  • Mostly muscle
  • Receives egg (fertilized or not)
  • Vagina
  • Passage way out of body

9
Female Reproductive System
Side view
Front view
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