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Question

The following figure represents the male reproductive system of a human being. [5 MARKS]
(a) Label the parts numbered 1 to 13.
(b) State one function of each of the following:
     Parts :
      1. Testes
      2. Sperm duct
      3. Seminal vesicle
      4. Prostate gland


Solution

a) 3 Marks
b) 2 Marks


(a)
1. Penis
2. Erectile tissue
3. Urethra
4. Cowper's gland
5. Pubis
6. Urinary bladder
7. Ureter
8. Prostate gland
9. Seminal vesicle
10. Vas deferens
11. Epididymis
12. Testis
13. Scrotum

(b)
1. Testis: Production of spermatozoa.
2. Sperm duct: Transport of spermatozoa from the epididymis to urethra.
3. Seminal vesicle: Its secretion provides energy to sperms and neutralizes acidic environment of the urethra.
4. Prostate gland: Its secretion contributes 13 - 33% of the volume of semen and aids in sperm motility and viability.

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