Describe the male reproductive system
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Describe the male reproductive system

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Describe the male reproductive system Describe the male reproductive system Presentation Transcript

  • Describe the Male Reproductive System
  • What are the parts male reproductive system? Can you identify them?
  • Most of the male reproductive system is located outside of the body. These external structures include the penis, scrotum, and testicles. View slide
  • Let’s find out ……………………….. • Penis: This is the male organ used in sexual intercourse. It has three parts: the root, which attaches to the wall of the abdomen; the body, or shaft; and the glans, which is the cone-shaped part at the end of the penis. The glans, also called the head of the penis, is covered with a loose layer of skin called foreskin. This skin is sometimes removed in a procedure called circumcision. The opening of the urethra, the tube that transports semen and urine, is at the tip of the penis. The penis also contains a number of sensitive nerve endings. View slide
  • • Scrotum: This is the loose pouch-like sac of skin that hangs behind and below the penis. It contains the testicles (also called testes), as well as many nerves and blood vessels. The scrotum acts as a "climate control system" for the testes. For normal sperm development, the testes must be at a temperature slightly cooler than body temperature. Special muscles in the wall of the scrotum allow it to contract and relax, moving the testicles closer to the body for warmth or farther away from the body to cool the temperature.
  • • Testicles (testes): These are oval organs about the size of large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord. Most men have two testes. The testes are responsible for making testosterone, the primary male sex hormone, and for generating sperm. Within the testes are coiled masses of tubes called seminiferous tubules. These tubes are responsible for producing sperm cells.
  • The male reproductive system includes the testes (say "test-eez"), prostate glands, sperm ducts, urethra and penis (P). • Sperm duct During sexual intercourse, sperm cells released pass through the sperm ducts. • Testes There are two testes (one of them is called a testis). These are held in place by the scrotum (scrotal sacks). The scrotum is a bag of tough skin. The job of the testes is to produce millions of male cells called sperms and also to make male sex hormones. This is a simple diagram of how a sperm cell looks under a microscope. Sperm cells look a lot like tadpoles (under a microscope). During puberty, a boy’s hormones affect the way his body develops.
  • • Prostate gland The job of the prostate gland is to secrete prostate fluid, one of the components of semen. The mixture of sperm and fluids is called semen. The muscles of the prostate gland also help propel this seminal fluid through the urethra and into the vagina during ejaculation . . The urethra This is the tube inside the penis that carries urine or semen. It is the continuing part of the sperm duct • The (P)penis This is that ‘thing’ hanging in front of every male which he pees with. The size of the organ differs a lot for growing boys because they develop differently. An erect one for an adult man may be about 5.7inches in length (average). The job of the 'P' is to pass urine out of the man's body and to pass semen into the female organ during mating.
  • Match A to Match B 1.Sex glands located in the scrotum;they produce sperms and the hormone testosterone a.penis 2.an excretory duct of the testes b.urethra 3.Supports the testes in place c.epididymis 4.A sac in the anterior part of the pelvis for temporary retention of urine d.bladder 5.Provide fluids that lubricate the duct system and nourish the sperm e.Prostate gland 6.Found at the top of each testis,sperms are stored in this duct f.testes 7.The external genital organ of a male g.Vas deferens 8.An opening for sperm and urine passage h.scrotum