1. Vocabulary

2. Puberty Period of sexual development during which males and females become sexually mature, and able to produce children. Changes include: Voice changes Body shape Emotional changes Body hair

3. Testes The two (2) male reproductive glands, located in the scrotum. Two main functions 1. Produce Sperm 2. Produce Testosterone

4. Scrotum The external sac of skin in which the testes is located. The scrotum is responsible for regulating the temperature of the testes. The temperature within the testes must remain approximately 1°C cooler. Raise Lower Sperm needs a lower temperature to function properly.

5. Epididymis A “J” shaped tube located on the back of each testis, in which sperm is stored for 2 to 4 days after they are formed. Sperm also gains the ability to move there.

6. Penis The male sex organ through which urine and sperm leave the body

7. Bladder The Muscular sac that stores urine until it is released from the body.

8. Glans Tip of the penis

9. Semen Thick, whitish fluid produced by the male sex glands. 1. Seminal Vesicle 2. Prostate Gland 3. Cowper's Gland It transports the sperm Also acts to decrease the acidity level in the urethra

10. Vas Deferens One of the two tubes that carry sperm from the Epididymis to the Urethra. Vasectomy: This tube is cut to perform a permanent form of birth control

11. Seminal Vesicle In males, a pair of glands located near the bladder that provides 60% of the fluid that makes up semen. Sugary substance that provides energy for the sperm

12. Prostate Gland A gland located near the bladder that provides 35% of the fluid to semen. Common site of cancer in men.

13. Cowper’s Gland A pair of glands located at the base of the penis that provides 5% of the fluid to the semen. A clear fluid that lubricates the urethra, and also reduces the acidity.

14. Urethra The tube that passes from the bladder to the outside of the body. Through which urine, and sperm travel.

15. Rectum Last few inches of the large intestine, in which feces are held until they are released from the body.

16. Anus The opening of the rectum

17. Foreskin A fold of skin that covers the tip of the penis

18. Circumcision Surgical procedure in which the foreskin is removed from the penis

19. Testosterone Hormone produced by the testes that affects the production of sperm The development of secondary male sex characteristics And the sex drive

20. Ejaculation The ejection of semen from the penis Ejaculate is 90% water. Ejaculate consists mainly of semen: 60% of the semen arises from the seminal vesicles 35% of the semen comes from the prostate. 5% is of other fluids (Ejacuation is preceded by an emission of 1-2 drops of alkaline fluid from the Cowper's glands (two small glands beneath the prostate). Its alkalinity neutralizes the acidity that remains in the urethra from recent urination)