Eighty to 90% of seminal fluid (semen) is secreted by the combined secretions of:
Correct answer: A. Seminal vesicles and prostate
- A. Seminal vesicles and prostate
- B. Seminal vesicles and seminiferous tubules
- C. Seminiferous tubules and epididymis
- D. Bulbourethral glands and prostate
Explanation
Seminal vesicles and the prostate gland contribute the majority of seminal fluid (seminal plasma) in semen. Seminal vesicles produce a significant portion of the fluid, which contains fructose and other nutrients to nourish sperm, while the prostate gland secretes a milky alkaline fluid that enhances sperm motility and neutralizes the acidic environment of the male urethra and female reproductive tract.
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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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