A tightly coiled tube where sperm mature

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Tightly coiled tube where sperm mature and develop the ability to swim lies along the top and behind the testes testosterone male sex hormone produced by interstitial cells in the testes. -it is a tightly coiled tube where sperm mature and are stored -then they go to the vas deferens. Sperm travel thru the uterus and falopian tubes where fertilization occurs-one sperm penetrates the egg and they join to form a zygote. The epididymus is a narrow, tightly coiled tube that is attached to each testis. Sperm are stored within the epididymus and remain there until they mature. This loose sac of skin holds the testicles and keeps them at the right temperature for making sperm. The tube that carries mature sperm away from the testicles and holds them until they. This pouch makes a fluid that gives sperm energy and helps them move. The epididymus is a narrow, tightly coiled tube that is attached to each testis. Sperm are stored within the epididymus and remain there until they mature.

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