True: Mucus traps microbes, White blood cells can destroy microbes, Heating food to a high temperature kills bacteria, There are antiseptics in toothpaste, Ciliated epithelial cells sweep out mucus from your windpipee, False: Swallowing microbes in mucus is bad, Your eyes have no defence, Acid in your stomach makes bacteria grow, Freezing kills bacteria, Pasteurisation grows bacteria in milk, Luke warm food is always safe to eat, Viruses produce antibodies that kill white blood cells.,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?