Question : (a) Mention the role of following organs of human male reproductive system: (i) Testis (ii) Scrotum (iii) Vas deferens (iv) Prostate glands (b) State the reasons why testes are located outside the abdominal cavity.

Question : (a) Mention the role of following organs of human male repr

1.	Question : (a) Mention the role of following organs of human male reproductive system: (i) Testis (ii) Scrotum (iii) Vas deferens (iv) Prostate glands (b) State the reasons why testes are located outside the abdominal cavity.
Answer» Solution :(a) (i) Male gametes (sperms) and male hormone testosterone are PRODUCED by testis. (ii) Sperm formation requires a lower temperature than the normal body temperature. This temperature is 1-3 `""^@C` lower than the temperature of the body. Testis are located outside the abdominal cavity, in the SCROTUM to provide right temperature. (iii) The sperms formed are delivered through the vas-deferens which unites with a tube coming from the urinary bladder (IV) The prostate GLANDS secrete the fluids which provides nutrition to the sperms and make their transport casier. (b) They require a lower temperature than the human body temperature for the formation of sperms.