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Reproductive system - Wikipedia, the free encyclopedia
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Sex organ - Wikipedia, the free encyclopedia
A sex organ , or primary sexual characteristic , as narrowly defined, is any of the anatomical parts of the body which are involved in sexual reproduction and constitute the reproductive system in...
en.wikipedia.org/wiki/Sex_organ |
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Alongside the testicles are the epididymis and the vas deferens, which make up the duct system of the male reproductive organs. The vas deferens is a muscular tube that passes upward alongside the testicles and transports the sperm-containing fluid called semen.
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Animals’ reproductive systems can be divided into the internal reproductive organs and the external genitalia. The gonads are the actual organs that produce the gametes. In the male, testes (singular = testis) produce sperm, and in the female, ovaries make eggs.
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1. The Feminine Cycle ... 2. The Man's Contribution ... 3. The Fertilisation...
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The Merck Manual of Health and Aging ... Introduction ~ Eyes ~ Ears ~ Mouth and Nose ~ Skin ~ Bones and Joints ~ Muscles and Body Fat ~ Brain and Nervous System ~ Heart and Blood Vessels ~ Muscles of Breathing and the Lungs ~ Digestive System ~ Kidneys and Urinary Tract ~ Reproductive Organs ~ Endocrine System ~ Immune System...
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