Tobirama4374

Tobirama4374 t1_j2d6vta wrote

Coz they are literal heat sink. Think of hairless skin patches on body like foot soles, palms and facial area that don't grow hair as heat sinks in machine that need to throw away extra heat. Body is never not burning calories and thus constantly creates heat which is also why balls are outside so sperm don't die of heat.

0