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How could you give someone $63 using six bills, without using one dollar bills?

TODAY’S AGENDA Endocrine System Cont’d Endocrine System QUIZ Hormones in the Balance VIDEO Male Reproductive System Female Reproductive System. MINDTRAP QUESTION. How could you give someone $63 using six bills, without using one dollar bills?. Answer 1 $50 bill 1 $5 bill 4 $2 bills

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How could you give someone $63 using six bills, without using one dollar bills?

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  1. TODAY’S AGENDA • Endocrine System Cont’d • Endocrine System QUIZ • Hormones in the Balance VIDEO • Male Reproductive System • Female Reproductive System MINDTRAP QUESTION How could you give someone $63 using six bills, without using one dollar bills? Answer 1 $50 bill 1 $5 bill 4 $2 bills 50 + 5 + 8 = 63

  2. ENDOCRINE SYSTEM QUIZ

  3. ENDOCRINE SYSTEM QUIZ T T F T F

  4. Hormones in the Balance VIDEO In addition to puberty, how else do you think hormones affect the body? What hormone is affected by diabetes? What is the role of this hormone in the body? What type of exercise builds bone mass? Give three examples. What health decisions can you make to help keep your hormones in balance? Give three examples of hormone disorders presented in the video.

  5. What do you know about the Male Reproduction System? • Number your notes page 1 through 15.

  6. Male Reproductive System Quiz

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  11. Wednesday, April 30 “C” Day • Male Reproductive System • Lesson Objectives • Students will be able to describe three functions of the male reproductive system. • Students will be able to identify five ways to keep the male reproductive system healthy. A woman gave birth to two sons who were born on the same hour of the same day of the same year but were not twins. How is this possible? Answer: They were two of triplets.

  12. MythCancers of the male reproductive system only affect older men. Fact Cancer of the testes (testicular cancer) most often occurs in teens and young men.

  13. Structure and Function • In males, the reproductive cells are called sperm. • The functions of the male reproductive system are • to produce sex hormones • to produce and store sperm • to deliver sperm to the female reproductive system • There, a sperm cell may join with an egg, in a process called fertilization.

  14. Testes • The testes (TES teez) are the male reproductive glands. • The testes (singular, testis) have two major functions—the production of testosterone and the production of sperm. • The sex hormone testosterone affects the production of sperm and signals certain physical changes at puberty. • The testes, also called testicles, hang outside the body within a sac of skin called the scrotum.

  15. Male Reproductive System Side View Urinary bladder Vas deferens Urethra Penis Epididymis Seminal vesicle Testis Prostate gland Bulbourethral gland Scrotum

  16. Penis • The penis is the external sexual organ through which sperm leave the body. • The tip of the penis (glans) is covered with loose skin, called the foreskin. • In some males the foreskin is removed shortly after birth in a procedure called a circumcision. • The body of the penis is cylindrical in shape and consists of three circular shaped chambers. These chambers fill with blood when the man is sexually aroused.

  17. Other Structures Epididymis: Long, coiled tube that rests on the backside of each testicle. It transports and stores sperm cells that are produced in the testes. Vas Deferens: Long, muscular tube that travels from the epididymis into the pelvic cavity, to just behind the bladder. They transport mature sperm to the urethra. Ejaculatory Ducts: These are formed by the fusion of the vas deferens and the seminal vesicles. These ducts empty into the urethra.

  18. Male Reproductive System Side View Urinary bladder Vas deferens Urethra Penis Epididymis Seminal vesicle Testis Prostate gland Bulbourethral gland Scrotum

  19. Other Structures Urethra: The tube that carries urine from the bladder to outside the body. When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm. Seminal Vesicles: Sac-like pouches that attach to the vas deferens near the base of the bladder. They produce sugar-rich fluid that provides sperm with a source of energy to help them move. This fluid makes up most of the volume of a man’s ejaculatory fluid.

  20. Male Reproductive System Side View Urinary bladder Vas deferens Urethra Penis Epididymis Seminal vesicle Testis Prostate gland Bulbourethral gland Scrotum

  21. Other Structures Prostate Gland: A walnut sized structure that is located below the urinary bladder in front of the rectum. It contributes additional fluid to the ejaculate to help nourish the sperm. Bulbourethral Glands: Also called Cowper’s glands, pea-sized structures located on the sides of the urethra just below the prostate. They produce a clear, slippery fluid that empties directly into the urethra to lubricate and neutralize any acidity due to residual drops of urine in the urethra.

  22. Male Reproductive System Side View Urinary bladder Vas deferens Urethra Penis Epididymis Seminal vesicle Testis Prostate gland Bulbourethral gland Scrotum

  23. Sperm Production • Sperm production begins when the hypothalamus signals the pituitary gland to release two hormones—luteinizing hormone (LH) and follicle-stimulating hormone (FSH). • LH signals the testes to begin making testosterone. • Testosterone and FSH then signal the production of sperm.

  24. Male Reproductive System Side View Urinary bladder Vas deferens Urethra Penis Epididymis Seminal vesicle Testis Prostate gland Bulbourethral gland Scrotum

  25. Male Reproductive System Front View Urinary bladder Vas deferens Seminal vesicle Urethra Prostate gland Bulbourethral gland Penis Epididymis Testis

  26. The Pathway of Sperm • During their passage through the male reproductive system, sperm cells mix with fluids produced by the prostate and two other glands. • The mixture of sperm cells and these fluids is called semen(SEE mun).

  27. Sperm travel through the vas deferens to the seminal vesicles. Seminal vesicles add a fluid that provides a source of energy for the active sperm. The prostate gland adds a fluid that protects the sperm. The bulbourethral glands add a lubricating fluid that aids the passage of sperm through the urethra. The Pathway of Sperm Sperm are produced in the testes. They mature and are stored in the epididymis. Seminal vesicle Vas deferens Prostate gland Urethra Bulbourethral gland Penis Epididymis Testis

  28. Release of Sperm • The ejection of semen from the penis is called ejaculation. • Ejaculation occurs when muscles in the male reproductive system and at the base of the bladder contract, forcing semen through the urethra. • Several million sperm cells are released during one ejaculation. • Ejaculation can occur when the penis is in an erect state.

  29. Keeping Healthy Caring for the male reproductive system involves • cleanliness • sexual abstinence • protection from trauma • self-exams • regular medical checkups • Hernia: A hernia occurs when an organ or fatty tissue squeezes through a hole or a weak spot in a surrounding muscle or connective tissue called fascia. • CAUSE: Anything that causes an increase in pressure in the abdomen can then cause a hernia, including obesity, lifting heavy objects, diarrhea or constipation, or persistent coughing or sneezing. Male Reproductive System Video

  30. Thursday, May 1 • Female Reproductive System • Video Review of Systems • Development Before Birth

  31. Learning Targets • I will be able to describe three functions of the female reproductive system. • I will be able to summarize the stages of the menstrual cycle. • I will be able to identify five ways to keep the female reproductive system healthy.

  32. C A F E B F F F T F

  33. What do you know about the Female Reproductive System? • Number your notes page from 1 through 15

  34. Female Reproductive System Quiz

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  39. Structure and Function • The reproductive cells in females are called eggs or ova (singular, ovum). • The functions of the female reproductive system are • to produce sex hormones • to produce eggs • to provide a nourishing environment in which a fertilized egg can develop into a baby

  40. Ovaries

  41. Fallopian Tube

  42. Uterus

  43. Vagina

  44. Female Reproductive System Side View Fallopian tube Ovary Uterus Urinary bladder Cervix Urethra Vagina

  45. The Menstrual Cycle • Women usually produce only one mature egg cell each month during a process called the menstrual cycle (MEN strooul). • During the menstrual cycle, an ovary releases a mature egg. • The egg travels to the uterus. • If the egg is not fertilized, the uterine lining is shed and a new cycle begins.

  46. Factors Affecting the Menstrual Cycle • On average, a woman’s menstrual cycle lasts 28 days. • Factors such as diet, stress, exercise, and weight gain or loss also affect the menstrual cycle. • The menstrual cycle may be irregular at times, especially during puberty. • During menopause, the ovaries slow down their hormone production and no longer release mature eggs.

  47. Days 1–4 The uterine lining is shed during menstruation. Days 5–13 An egg matures in one of the ovaries, and the uterine lining starts to thicken. Days 14–15 The ovary releases the mature egg during ovulation. Maturing Egg Days 16–22 The egg travels through the fallopian tube to the uterus, and the uterine lining continues to thicken. Egg Egg Days 23–28 The unfertilized egg enters the uterus. The Menstrual Cycle

  48. Stages of the Menstrual Cycle • During the first half of the cycle, an egg matures inside one of the ovaries. • At about the middle of the cycle ovulation occurs. • If the egg has not been fertilized by the time it reaches the uterus, the uterine lining breaks down. • The blood and tissue of the thickened lining pass out of the body through the vagina in a process called menstruation. YouTube: The Menstrual Cycle

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