What is semen? Describe the composition of semen

1.	What is semen? Describe the composition of semen
Answer» (1) Semen is the viscous, alkaline and milky fluid having pH 7.2 to 7.7 ejaculated during sexual intercourse by male. (2) A single ejaculation of semen i.e. 2.5 to 4 ml semen contains about 400 millions of sperms. (3) Semen consists of sperms suspended in secretions of the epididymis and the accessory glands (seminal vesicles, prostate gland and Cowper’s gland). The semen nourishes the sperms by fructose, neutralizes acidity by Ca⁺⁺ , ions and bicarbonates and also activates them for movement due to prostaglandins.

Answer»

(1) Semen is the viscous, alkaline and milky fluid having pH 7.2 to 7.7 ejaculated during sexual intercourse by male.

(2) A single ejaculation of semen i.e. 2.5 to 4 ml semen contains about 400 millions of sperms.

(3) Semen consists of sperms suspended in secretions of the epididymis and the accessory glands (seminal vesicles, prostate gland and Cowper’s gland). The semen nourishes the sperms by fructose, neutralizes acidity by Ca⁺⁺ , ions and bicarbonates and also activates them for movement due to prostaglandins.

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