The male reproductive system : 1. The testes are situated outside the abdominal cavity within a pouch called *******. 2. The ******* helps in maintaining the high temperature of the testes, 2–2.5o C higher than the normal internal body temperature. 3. 2–2.5o C higher than the normal internal body temperature is necessary for spermatogenesis. Regarding 1,2 and 3 :

Question

( a ) 3 is incorrect; 1 and 2 are correct
( b ) 1 is correct but 2 and 3 are incorrect
( c ) 2 is incorrect but 1 and 3 are correct
( d ) 1 is incorrect but 2 and 3 are correct