Essay on Reproductive System

2640 Words Sep 19th, 2015 11 Pages
REPRODUCTIVE SYSTEM

FUNCTIONS

➢ The major function of the reproductive system is to make sure that the human species survives.

➢ It is not necessary for every human being to produce children, but in order to continue our human species, at least some people have to have children.

➢ The four main functions of the human reproductive system are:

• To produce egg and sperm cells,

• To transport and sustain these cells,

• To nurture the developing offspring, and

• To produce hormones.

MAJOR ORGANS

➢ In the human reproductive system, the major organs include the external genitalia and many internal organs including gonads producing gametes and hormones.

➢ These hormones are
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➢ The vagina connects with the uterus at the cervix. The cervix has strong, thick walls and a very small opening, no wider than a straw. During childbirth, the cervix can expand up to 50 times its normal width to allow a baby to pass.

➢ The vagina has several functions:

• for sexual intercourse,

• as the pathway that a baby takes out of a woman's body during childbirth, and

• as the route for the menstrual blood (the period) to leave the body from the uterus.

2. Uterus

➢ The vagina connects with the uterus, or womb, at the cervix.

➢ The uterus is shaped like an upside-down pear, with a thick lining and muscular walls, and holds the developing baby during the nine months after conception.

➢ The uterus contains some of the strongest muscles in the female body which are able to expand to allow the uterus to grow 10 to 20 times its normal size during pregnancy and contract to push the baby out during labor.

➢ When a woman isn't pregnant, the uterus is only about 3 inches long and 2 inches wide.

➢ Each month the uterus goes through a cyclical change, first building up its endometrium or inner lining to receive a fertilized egg, then, if conception does not occur, shedding the unused tissue through the vagina in the monthly process called menstruation.

3. Fallopian Tubes

➢ The female has two fallopian tubes, or oviducts, that

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