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Each testis has a long highly coiled tube attached to it known as an epididymis. Immature sperm pass out of the testes into the epididymes. As sperm make their way through these tubes, they mature ...
Each testis has a long highly coiled tube attached to it known as an epididymis. Immature sperm pass out of the testes into the epididymes. As sperm make their way through these tubes, they mature ...
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