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goodrider2

arizona

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Part 6. human reproductive system

1. a. Testis produce sperm and act as a sperm storage tank while the scrotum holds the testis in place and controls their temperature. b. It is a narrow, tightly coiled tube connecting the efferent ducts from the rear of each testicle to its vas deferens. This is where sperm mature. c. The vas defrens carries sperm into the ejaclatory ducts. d. Urethra acts as a carring tube to the outside of the body. It carries urine or sperm. e. Penis: the penis is the male sex organ which carries urine to the outside of the body or sperm to the vagina. 2. testis, seminal vesicle, and the epididymis

3.

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Adam
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Left by Adam on June 05, 2006
Last Seen: on June 05, 2006
Rides: Road,BMX
Brands: fetihs