Christine Dell’Amore of National Geographic reported the testes produce 1,500 sperm per second 1,500 sperm cells 1.500 de spermatozoizi Christine Dell’Amore of National Geographic reported every day produces sperm cells on a schedule 1,500 sperm cells every second produces sperm cells on a schedule National Geographic Christine Dell’Amore of National Geographic reported about 1,500 per second estimated 1,500 sperm cells Christine Dell’Amore of National Geographic reported a man produces 1,500 sperm a second Christine Dell’Amore of National Geographic reported National Geographic هنا