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Male Reproductive System

Male Reproductive System. Vocabulary. Puberty. Period of sexual development during which males and females become sexually mature, and able to produce children. Changes include: Voice changes Body shape Emotional changes Body hair. Testes.

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Male Reproductive System

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  1. Male Reproductive System Vocabulary

  2. Puberty • Period of sexual development during which males and females become sexually mature, and able to produce children. • Changes include: • Voice changes • Body shape • Emotional changes • Body hair

  3. Testes • The two (2) male reproductive glands, located in the scrotum. • Two main functions • Produce Sperm • Produce Testosterone

  4. Scrotum • The external sac of skin in which the testes is located. • The scrotum is responsible for regulating the temperature of the testes. The temperature within the testes must remain approximately 1°C cooler. • Raise • Lower • Sperm needs a lower temperature to function properly.

  5. Epididymis • A “J” shaped tube located on the back of each testis, in which sperm is stored for 2 to 4 days after they are formed. • Sperm also gains the ability to move there.

  6. Penis • The male sex organ through which urine and sperm leave the body

  7. Bladder • The Muscular sac that stores urine until it is released from the body.

  8. Glans • Tip of the penis

  9. Semen • Thick, whitish fluid produced by the male sex glands. • Seminal Vesicle • Prostate Gland • Cowper's Gland • It transports the sperm

  10. Vas Deferens • One of the two tubes that carry sperm from the Epididymis to the Urethra. • Vasectomy: This tube is cut to perform a permanent form of birth control

  11. Seminal Vesicle • In males, a gland located near the bladder that provides 60% of the fluid that makes up semen. • Sugary substance that provides energy for the sperm

  12. Prostate Gland • A gland located near the bladder that provides 35% of the fluid to semen. • Common site of cancer in men.

  13. Cowper’s Gland • A pair of glands located at the base of the penis that provides 5% of the fluid to the semen. • A clear fluid that lubricates the urethra, and also reduces the acidity.

  14. Urethra • The tube that passes from the bladder to the outside of the body. Through which urine, and sperm travel.

  15. Rectum • Last few inches of the large intestine, in which feces are held until they are released from the body.

  16. Anus • The opening of the rectum

  17. Foreskin • A fold of skin that covers the tip of the penis

  18. Circumcision • Surgical procedure in which the foreskin is removed from the penis

  19. Testosterone • Hormone produced by the tetes that affects the production of sperm • The development of secondary male sex characteristics • And the sex drive

  20. Ejaculation • The ejection of semen from the penis • Ejaculate is 90% water. Ejaculate consists mainly of semen: • 65% of the semen arises from the seminal vesicles 35% of the semen comes from the prostate. 5% is of other fluids • (Ejacuation is preceded by an emission of 1-2 drops of alkaline fluid from the Cowper's glands (two small glands beneath the prostate). Its alkalinity neutralizes the acidity that remains in the urethra from recent urination)

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