人体的生殖系统包括内部器官和外生殖器,它们协同运转帮助人类完成性生活、孕育新生命。近日,科学家在“生活科学”网上公布了生殖系统几个不为人知的秘密。说话音调高的男性精子数量多在一项涉及多个国家的研究中,科学家发现,虽然女性认为声音低沉的男性更具有男性气概和吸引力,但他们的精子浓度要低于说话音调较高的人。 The human reproductive system includes internal organs and external genitalia, which work in concert to help humans to complete their sexual life and nurture new life. Recently, scientists published several unknown secrets of the reproductive system on the Web of Life Sciences. More men with soprano men sperm In a study involving several countries, scientists found that while women rated low sirens men more masculine and appealing, their sperm concentrations were lower than those with higher syllables people.