Male reproductive system
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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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Puberty
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
Testes

  • The two (2) male reproductive glands, located in the scrotum.

    • Two main functions

      • Produce Sperm

      • Produce Testosterone


Scrotum
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.


  • Epididymis
    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.


    Penis
    Penis

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


    Bladder
    Bladder

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


    Glans
    Glans

    • Tip of the penis


    Semen
    Semen

    • Thick, whitish fluid produced by the male sex glands.

      • Seminal Vesicle

      • Prostate Gland

      • Cowper's Gland

  • It transports the sperm


  • Vas deferens
    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


    Seminal vesicle
    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


    Prostate gland
    Prostate Gland

    • A gland located near the bladder that provides 35% of the fluid to semen.

    • Common site of

      cancer in men.


    Cowper s gland
    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.


    Urethra
    Urethra

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


    Rectum
    Rectum

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


    Anus

    • The opening of the rectum


    Foreskin
    Foreskin

    • A fold of skin that covers the tip of the penis


    Circumcision
    Circumcision

    • Surgical procedure in which the foreskin is removed from the penis


    Testosterone
    Testosterone

    • Hormone produced by the tetes that affects the production of sperm

    • The development of secondary male sex characteristics

    • And the sex drive


    Ejaculation
    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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