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Male Reproductive System Study Guide

Male Reproductive System Study Guide. 1/8/10 DO Now: In your notebook…. 1. List the two endocrine glands which are located in the brain 2.What controls the pituitary gland? 3. What hormones are released from the pituitary gland?

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Male Reproductive System Study Guide

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  1. Male Reproductive System Study Guide

  2. 1/8/10 DO Now: In your notebook…. 1. List the two endocrine glands which are located in the brain 2.What controls the pituitary gland? 3. What hormones are released from the pituitary gland? • When done go to page 173 and work on Male Reproductive System study guide

  3. 1/9/10 DO Now: In your notebook…. • Make a chart or diagram that explains sperms path of travel from the testes to the urethra. • The following should be included • Urethra • Vas deferens • Testes • Pituitary gland • Hypothalamus • Testosterone • Finish Study Guide pg 173

  4. Introduction #1 • A period of sexual development during which males and females become sexually mature and able to produce children. • Between ages 10-15, a males hypothalamus gland tells the pituitary gland to send hormones to the two testes.

  5. #2 Name the Changes that occur to a boy during puberty • Facial/Body Hair • Deep voice • Larger muscles • Longer bones • Sperm production

  6. Puberty

  7. Structure and Function • 3. The ______organs store, nourish, and transport sperm cells • Internal

  8. External • 4. The _____organs produce, store, and release sperm. • External

  9. Testes/Testicles • 5. Very early in prenatal life, special sex cells are set aside from other body cells. These organize into a group of cells known as ________ which eventually develop in the male testes • Gonads

  10. Testes/Testicles • 6. The testes have two functions. They produce the male sex hormone___________? • Testosterone This hormone is responsible for maturing the reproductive organs and for the development of a male’s secondary sexual characteristics • Facial hair • Body hair • Deep voice, ect

  11. Testes/Testicles • 7. The testes also produce ________. • Sperm=Male sex cell

  12. Scrotum • 8. The testes hang outside the body within a sac called the ___________ • Scrotum

  13. Scrotum • 9. The temperature in the scrotum must be ________ than the body temperature for sperm to form and survive. • Lower • Muscles in the scrotum move the testes closer or farther away from the body to maintain this temperature.

  14. Epididymis • 10. This is located on the ______of each testis • Back • 11. Sperm are stored here for ____to ____ days. • 2-4

  15. Vas Deferens • 12. This serves as a tube that leads from he epididymis to the urethra.

  16. Vas Deferens • Vasectomy: a form of male sterilization where he vas deferens are cut and tied to prevent sperm from meeting the egg. • It is a permanent form of birth control.

  17. Urethra • 14. The urethra is a tube that carries_______ and _______ from the body. • Urine and Sperm • It is a passageway located within the penis. • During erection, the bladder is closed so that no urine will be eliminated during ejaculation.

  18. Seminal vesicle • 15. This organ creates a fluid that provides ________ for active sperm. • Energy (sugar) nutrient • IT makes up the majority of semen

  19. Cowper’s Gland(bulbourethral gland) Two Small pea shaped structures located on either side of the man’s urethra and beneath the prostrate gland

  20. Cowper’s Gland • 16. The fluid from this organ________ the urethra. • Lubricates (wets) • It is sometimes called ________fluid. • Precoital • It__________ the acid of the urethra. • Neutralizes (eliminates)

  21. 17.Prostate Gland • The Fluid from the prostate gland_______the sperm as it travels in the female reproductive tract. • PROTECTS • It neutralizes he acid of the vagina. It is also a frequent cancer site in the older male. • *2nd most common

  22. Penis • 18. The penis is the external sex organ through which sperm leaves the body. • 19. The tip of the penis is known as the _______. • Glans • It is covered by a ___________. • Foreskin

  23. Penis • ____________= is the removal of the foreskin. • Circumcision • Two Reasons to have it done? • 1. Religious(jewish faith) • 2. Health • 3. Cultural

  24. 21. Bladder • This organ stores urine. • It receives urine from the kidneys through the ureter tube.

  25. Other Terminology…. • 22. A condition in which the penis becomes larger and firm? • Erection

  26. 23. • A fluid that is released from the erect penis during ejaculation. • Semen • It is made up of: • Sperm • Prostate Gland Fluid • Seminal Vesicle Fluid

  27. ???= ejection of semen from the penis?? • Ejaculation

  28. 25. An ejaculation contains about 360-400 million sperm cells. • 26. Once a male reaches puberty, millions of sperm are produced daily.

  29. 27._________= an erection and ejaculation during sleep. • Noctural Emission • It is also called a ______? • Wet dream

  30. 28. The lifespan of sperm cell once it leaves the penis is__________? • 72 hours

  31. 29. There are two sperm types. They are labeled as ______ and _______. • X and Y • If an X sperm cell unites with the egg, a ______ baby will occur. • Girl • If a Y sperm cell unites with the egg, a BOY baby will occur.

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