98.6° F (37° C) .太热也不行,人类会绝种.所以开裆裤有科学根据

所有跟贴·加跟贴·新语丝读书论坛

送交者: laotan 于 2011-01-02, 14:17:33:

回答: Why the Human Body Temperature Is 37°C 由 蟑脑丸 于 2011-01-02, 13:44:19:

Temperature Requirements

To develop, they need a temperature of about 3-5 degrees (Fahrenheit) below the rest of the body. That is why the testicles hang (in the scrotum) outside the body.



所有跟贴:

加跟贴

笔名: 密码: 注册笔名请按这里

标题:

内容: (BBCode使用说明)