Последние добавленные видео:
Sperm
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14 years ago
57669311 14 years ago 1:13Sperm attacked by woman's immune system | Inside the Human Body - BBC
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2 years ago
1066302 2 years ago 4:08The Journey of Sperm: How the Male Reproductive System Works
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2 years ago
5193317 2 years ago 1:56Sperm Death in the Uterus
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3 weeks ago
85977 3 weeks ago 8:20How Sperm Actually Makes It to the Egg
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4 years ago
27937301 4 years ago 9:11How Sperm Is Created
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8 years ago
328068 8 years ago 4:32Sperm and Eggs Cells | Cells | Biology | FuseSchool
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3 years ago
423732 3 years ago 5:20How to Improve Sperm Quality & Quantity | Men's Fertility Tips
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12 years ago
83870533 12 years ago 5:43Fertilization
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11 years ago
8633261 11 years ago 4:31Sperm Count | Nucleus Health
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7 years ago
568972 7 years ago 1:16Sperm Motility Scores
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3 months ago
18184 3 months ago 4:19How to test your sperm level at home using Accufast Male Fertility Test DIY
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2 years ago
586056 2 years ago 3:02Timeline: What If It Rained Semen
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6 years ago
3342369 6 years ago 5:20A Helping Hand - Sperm Bank