In mammals the testes lie in scrotal sacs due to
A. presence of urinary bladder
B. presence of rectum
C. long vas-deferens
D. requirement of low temperature for spermatogenesis
Answer:D
In mammals the testes lie in scrotal sacs due to
A. presence of urinary bladder B. presence of rectum C. long vas-deferens D. requirement of low temperature for spermatogenesis