A -In human male, testes are extra abdominal and lie in scrotal sacs.
R -Scrotum acts as thermoregulator and keeps temperature lower by `2^@C` for normal sperm production.

Options

A. A and R are ture, R is the correct explanatino of A
B. A and R are true, R is not the correct explanation of A
C. A is true, R is false
D. Both A and R are false