Click to expand Tap to zoom Testicles Organ by GIANTmicrobes Save $-14.50 $14.50 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart The two testicles are the primary reproductive organs in men. Also known as testes or male gonads, the testicles have two functions: production of sperm and production of hormones. The average man makes over 1,000 sperm per second in his testicles!
