MICROANATOMY

Detailed explanation-1: -The testicles are held away and outside the body inside a sack of skin called scrotum. The scrotum regulates the temperature of the testes and maintains it at 35 degree Celsius, i.e. two degrees below the body temperature of 37 degree Celsius.

Detailed explanation-2: -Scrotum. The bag of skin that holds and helps to protect the testicles. The testicles make sperm and, to do this, the temperature of the testicles needs to be cooler than the inside of the body. This is why the scrotum is located outside of the body.