1. SPERM The male sex cell.The male sex cell. Produced by the testes.Produced by the testes. The minute cells are released 100-400 million at a time and are mobile.The minute cells are released 100-400 million at a time and are mobile. Each sperm has 23 chromosomes.Each sperm has 23 chromosomes. Sperm are produced by a man from puberty until he dies.Sperm are produced by a man from puberty until he dies.

2. SEMEN Semen is made up of sperm and seminal fluid.Semen is made up of sperm and seminal fluid. Sperm is made by the testes and is combined with fluid made by the Seminal Vesicles, Cowper’s gland, and the Prostate gland.Sperm is made by the testes and is combined with fluid made by the Seminal Vesicles, Cowper’s gland, and the Prostate gland. This fluid gives the sperm energy in the form of sugar and also acts as a base to protect the sperm from acids primarily found in the urethra.This fluid gives the sperm energy in the form of sugar and also acts as a base to protect the sperm from acids primarily found in the urethra.

3. TESTES Testes produce sperm and testosterone. Each man has two testes.Each man has two testes. Testes begin to produce sperm and testosterone as soon as puberty begins and continues until death.Testes begin to produce sperm and testosterone as soon as puberty begins and continues until death. Testosterone is the male sex hormoneTestosterone is the male sex hormone Testes are held outside the body cavity by the scrotum.Testes are held outside the body cavity by the scrotum. Testicular cancer is generally found in young adults and all men should perform a self-exam monthly.Testicular cancer is generally found in young adults and all men should perform a self-exam monthly.

4. SCROTUM External skin sack that holds the testes outside of the body cavity. The scrotum’s job is to regulate the temperature of the testes…too hot and the sperm die…too cold and the sperm cannot be produced fast enough.The scrotum’s job is to regulate the temperature of the testes…too hot and the sperm die…too cold and the sperm cannot be produced fast enough.

5. EPIDIDYMIS Their job is to store the matured sperm (up to 400 million).Their job is to store the matured sperm (up to 400 million). There are two of them, one on each teste.There are two of them, one on each teste. If the epididymis stores the sperm for too long a time and the sperm die, if the sperm are no longer viable,the body will absorb them as protein.If the epididymis stores the sperm for too long a time and the sperm die, if the sperm are no longer viable,the body will absorb them as protein.

6. VAS DEFERENS Tubes leading from each teste to the urethra.Tubes leading from each teste to the urethra. There are two of them, one from each teste.There are two of them, one from each teste. Tubes can be cut in an operation called a VASECTOMY.Tubes can be cut in an operation called a VASECTOMY. The only thing that travels in them is sperm.The only thing that travels in them is sperm.

7. VASECTOMY Male sterilization.Male sterilization. This operation cuts and plugs the vas deferens, preventing the sperm from ever leaving the male’s bodyThis operation cuts and plugs the vas deferens, preventing the sperm from ever leaving the male’s body. This operation is NOT 100% effective in preventing pregnancy and provides NO protection against STD’s.This operation is NOT 100% effective in preventing pregnancy and provides NO protection against STD’s. Once blocked, the sperm are absorbed by the male’s body and used as protein.Once blocked, the sperm are absorbed by the male’s body and used as protein.

8. SEMINAL VESICLES The primary job of the seminal vesicles is to produce the seminal fluid.The primary job of the seminal vesicles is to produce the seminal fluid. There are two of them.There are two of them. They are glands and the fluid they produce acts as a BASE.They are glands and the fluid they produce acts as a BASE. The seminal fluid gives the sperm the necessary sugar for energy to make the sperm mobile.The seminal fluid gives the sperm the necessary sugar for energy to make the sperm mobile.

9. COWPER’S GLAND Produces seminal fluid.Produces seminal fluid. They are glands that are the size of peas.They are glands that are the size of peas. Releases its’ fluid PRIOR to ejaculation.Releases its’ fluid PRIOR to ejaculation. The fluid act as a BASE to neutralize the acidic environment of the male’s urethra (from urine).The fluid act as a BASE to neutralize the acidic environment of the male’s urethra (from urine). There is a small amount of sperm also released at this time.There is a small amount of sperm also released at this time.

10. PROSTATE GLAND Produces prostatic fluid and helps in the control of the release of semen or urine down the urethra.Produces prostatic fluid and helps in the control of the release of semen or urine down the urethra. There is one prostate gland and it is the size of a walnut.There is one prostate gland and it is the size of a walnut. Prostate cancer is a problem for men as they age and it is a very treatable form of cancer.Prostate cancer is a problem for men as they age and it is a very treatable form of cancer.

11. BLADDER The bladder’s job is to store urine.The bladder’s job is to store urine. Both males and females have bladders and their jobs are the same for both men and women.Both males and females have bladders and their jobs are the same for both men and women.

12. URETHRA Tube or passageway for semen and urine to leave the male’s body.Tube or passageway for semen and urine to leave the male’s body. The only two things that travel through the urethra are semen and urine.The only two things that travel through the urethra are semen and urine. Urine and semen cannot exit the body at the time.Urine and semen cannot exit the body at the time. The urethra connects the vas deferens and prostate/vas deferens area to the end of the penis.The urethra connects the vas deferens and prostate/vas deferens area to the end of the penis.

13. GLANS PENIS The “HEAD” or end of the penis.The “HEAD” or end of the penis. It is external.It is external. It has the most nerve endings and is the most sensitive part of the male reproductive anatomy.It has the most nerve endings and is the most sensitive part of the male reproductive anatomy. Its’ only purpose is for sexual pleasure.Its’ only purpose is for sexual pleasure. It is covered by the foreskin, unless the foreskin in removed in an operation called a “CIRCUMCISION”.It is covered by the foreskin, unless the foreskin in removed in an operation called a “CIRCUMCISION”.

14. PENIS The penis is the male sex organ.The penis is the male sex organ. The penis is filled with lots of tiny blood vessels that fill up with blood when the man is sexually excited.The penis is filled with lots of tiny blood vessels that fill up with blood when the man is sexually excited. When these blood vessels are filled, the man to get an erection.When these blood vessels are filled, the man to get an erection. An erection makes it possible for a man to have sexual intercourse.An erection makes it possible for a man to have sexual intercourse. The urethra runs through the penis.The urethra runs through the penis.

15. FORESKIN Fold of skin that partially covers the glans penis.Fold of skin that partially covers the glans penis. The job of the foreskin is to protect the glans penis and to protect the opening of the urethra (from infection).The job of the foreskin is to protect the glans penis and to protect the opening of the urethra (from infection). The foreskin may be removed in an operation called a circumcision.The foreskin may be removed in an operation called a circumcision.

16. CIRCUMCISION An operation that removes the foreskin.An operation that removes the foreskin. This operation may be performed for hygienic, cultural, or religious reasons.This operation may be performed for hygienic, cultural, or religious reasons.