Abdomen
Abdomen
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No InfoRead more »
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Roundworms (also known as Ascaris lumbricoides) belong to a large group of worms called nematodes.Read more »
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Pregnancy occurs when a sperm penetrates an egg.Read more »
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A period is a bleed from the uterus (womb) that is released through the vagina.Read more »
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IntroductionUlcers are sores or holes in the lining of an organ.Read more »
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