2. 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 365-375 and work on Male Reproductive System study guide

3. DO Now: In your notebook…. 1. Make a chart or diagram that explains sperms path of travel from the testes to the urethra. 2. The following should be included 1. Urethra 2. Vas deferens 3. Testes 4. Pituitary gland 5. Hypothalamus 6. Testosterone 3. Finish Study Guide pg 173

4. Name the changes that occur to a male during puberty 1. Facial/Body Hair 2. Deep voice 3. Larger muscles 4. Longer bones 5. Sperm production 1. Facial/Body Hair 2. Deep voice 3. Larger muscles 4. Longer bones 5. Sperm production Puberty

5. Identifying Similarities and Differences that happen during Puberty

6. Structure and Function 2. The ______organs store, nourish, and transport sperm cells Internal 3. The _____organs produce, store, and release sperm. External

7. Testes/Testicles

8. 5. 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 1. Facial hair 2. Body hair 3. Deep voice, ect

9. Testes/Testicles 6. The testes also produce ________. Sperm=Male sex cell

10. Scrotum 7. The testes hang outside the body within a sac called the ___________ Scrotum

15. 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.

16. Epididymis 10. This is located on the ______of each testis Top - Back 11. Epididymis ‘ shape = up side down “J” shape 12. Sperm are stored here for ____to ____ days. 2-4 13. The Epididymis is a storage area where sperm mature & gain ability to swim.

17. Vas Deferens 14. They serve as tubes which take sperm from the epididymis to the urethra. 15. They are 18 inches long. 16. In the Vas Deferens sperm mixes w/ fluids from 3 glands to form Semen.

19. Vas Deferens 17. Vasectomy: a form of male sterilization where the vas deferens are cut and tied to prevent sperm from meeting the egg. It is a permanent form of birth control.

21. Urethra 18. The urethra is a tube that carries_______ and _______ from the body. Urine and Sperm 19. It is a tube that passes through the penis to the outside of the body. 20. During erection, the bladder is closed so that no urine will be eliminated during ejaculation. 21. A valve inside the urethra prevents the 2 fluids from mixing.

23. Seminal Vesicle 22. This organ creates a fluid that provides ________ for active sperm. Energy (sugar-fructose) nutrient It makes up the majority(60%) of semen.

24. Cowper’s Glands (bulbourethral glands) 23. Two Small pea shaped structures located on either side of the man’s urethra and beneath the prostate gland at the base of the penis. It makes up 5% of semen.

25. Cowper’s Gland 24. The fluid from this organ________ the urethra. Lubricates (wets) It is a clear fluid. It is sometimes called ________fluid. 25. Precoital – it does contain sperm & can fertilize an egg. It__________ the acid of the urethra. Neutralizes (eliminates)

26. Prostate Gland 26. The Fluid from the prostate gland _______ the sperm as it travels through the female reproductive tract. PROTECTS 27. It neutralizes the acid of the vagina. It is also a frequent cancer site in the older males. *2 nd most common cancer site. 28. Located at the base (bottom) of the Urinary Bladder. This fluid comprises 35% of the Semen.

28. Penis 29. The penis is the external sex organ through which sperm are delivered into the female’s body. It contains spongy erectile tissue. 30. The tip of the penis is known as the _______. Glans = smooth cone –like head of the penis. It is covered by a ___________. Foreskin

30. Penis 31. ____________= is the removal of the foreskin. Circumcision Three Reasons to have it done? 1. Religious(Jewish faith) 2. Health 3. Cultural

34. Bladder 32. This organ stores urine. It receives urine from the kidneys through the ureter tube.

36. Other Terminology…. 33. _______ = fluid that is released from the erect penis during ejaculation. Semen 34. It is made up of: Sperm – 1% Prostate Gland Fluid – 35% Seminal Vesicle Fluid - 60% Cowper’s Gland Fluid - 5%

37. Other Terminology…. 35. A condition in which the penis becomes larger and firm? Erection 36. This is due to an increased flow of blood into the penis.

38. 37. ________= ejection of semen from the penis?? Ejaculation 38. In one Ejaculation about one Teaspoon full of semen is ejected. 39. Flaccid – the penis is in a non- erect state.

40. 40. An ejaculation contains about 200-500 million sperm cells. 41. Once a male reaches puberty, millions of sperm are produced daily.

41. 42. _________= an erection and ejaculation during sleep. Nocturnal Emission It is also called a ______? Wet dream Causes; 1. Sexually arousing dream 2. Sperm production causes increased pressure in the reproductive system. 43. It’s a normal occurrence & may happen often.

42. 44. There are two sperm types. They are labeled as ______ and _______. X and Y An egg cell is labeled as ______. X If an X sperm cell unites with the egg, a ______ baby will be born. Girl If a Y sperm cell unites with the egg, a BOY baby will be born.

43. 45. The lifespan of a sperm cell once it leaves the penis is__________? 72 hours

44. 46. The union of sperm and egg in order for reproduction to occur? Fertilization This is also called Conception. 47. Spermatogenesis – the process by which sperm are produced.

46. Disorders of Male Repro. System 48. When a person is unable to reproduce. Sterility Some of the causes are environment, stress, drugs, mumps, ect…

47. Disorders of Male Repro. Sys. 49. Impotence – unable to have an erection & thus incapable of sexual intercourse. 50.Testicular Cancer – occurs most often in men between the ages of 15 & 35. Treatment – surgical removal of testicle. 51. Early Detection is the key = Testicular Self-Exam – once a month!