Ninth Grade Health

1. The lower portion of the uterus is calle the                and is a common sit of cancer in women. The female organ of intercourse is the                  . Outside of this organ are folds of skin covered with pubic hair known as the                    . Between these skin folds is a small, round, sensitive area os skin calle                     . The developement of the reproductive system is triggered by the hormones                   and                   , which cause many physical changes in a girl. This period of change is called                   .

2. What fluids combine with sperm to form semen? MARK ALL THAT APPLY

3. First,                     are produced in two almond-shaped organs known as the                  . During the process of                        , a mature egg (                   ) is released and enters on of the two                                   . For a few days the egg cell travels towards the pear-shaped                          .The linging of this organ thickens in preparation for a fertilized egg. If the gg is not fertilized by the male                           , it will leave the body together with the linging of the uterus and a small amount of blood. This is called                             .

4. First,             are produced in the small seminiferous tubules of the                  . These oval-shaped glands are protected by a sac called the                    . After the sperm cells are produced, they are stoared in a large coiled tube on the outer surface of each testicle called the                        . From this tube the sperm go into a larger tube called the                           , which eventually carries them to the external male reproductive organ, the                    . Along the way sperm is nourished by a sugary fluid from the                                 , a chemical fluid from the                          which is the moste common site of cancer in men, and the fluid from the                                which are two small glands tocated near the bladder. These glands also produce the                                                 , which can contain millions of sperm. These fluids plus the sperm cells combine to form               . Before a male can ejaculate, the spongy tissue surrounding the penis becomes engorged with blood causing the penis to become stiff and hard. This is known as an                           . The tube that carries the semen from the body is the                        . Males can also have uncontrolled ejaculation during sleep, which are called                                                 .