Main duct of the male reproductive tract is:
Correct answer: B. Vas deferens
- A. Seminiferous
- B. Vas deferens
- C. Ejaculatory duct
- D. Urethra
Explanation
The main duct of the male reproductive tract is the vas deferens, also known as the ductus deferens. It is a long, muscular tube that transports sperm from the epididymis to the ejaculatory duct. The vas deferens is approximately 40 cm long and is the longest duct in the male reproductive tract. It is located behind the bladder and in front of the rectum.The vas deferens is made up of three layers: the outer layer is a fibrous layer that provides support, the middle layer is a muscular layer that contracts to move sperm along the duct, and the inner layer is a mucous layer that helps to lubricate the sperm. So option B is correct.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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