INRODUCTION:
THE PRIMARY ORGANS AND STRUCTURES IN THE REPRODUCTIVE SYSTEM:
The primary structures in the reproductive system are:
• The uterus is a pear-shaped organ located between the bladder and lower intestine. It consists of two parts, the body and the cervix.
• When a woman is not pregnant the body of the uterus is about the size of a fist, with its walls collapsed and flattened against each other. During pregnancy the walls of the uterus are pushed apart as the fetus grows.
• The cervix is the lower portion of the uterus. It has a canal opening into the vagina with an opening called the os, which allows menstrual blood to flow out of the uterus into the vagina.
• Leading off each side of the body of the uterus are two tubes known as the fallopian tubes. Near the end of each tube is an ovary.
• Ovaries are egg-producing organs that hold between 200,000 and 400,000 follicles (from folliculus, meaning "sack" in Latin). These cellular sacks contain the materials......

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Title: Pms - Menstrual Cycle
Approximate Word Count: 2577
Approximate Pages: 11 (250 words per double-spaced page)

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