人们可能会注意到,猫、狗等小动物受伤后,会不停地用舌头去舔伤口,不久之后伤口就会自然愈合。这是由于唾液中含有能抑制细菌繁殖的溶菌酶。其实,唾液的主要功用是帮助食物消化,以利肌体对其养分的吸收。可是唾液的生成,必须通过牙齿咀嚼来促进,只有通过反复的咀嚼,口腔才能得? People may notice that when cats, dogs and other small animals are injured, they will lick the wound with their tongue, and soon the wound will heal naturally. This is because saliva contains lysozyme that inhibits bacterial growth. In fact, saliva’s main function is to help food digestion, to facilitate the body’s nutrient absorption. However, the formation of saliva must be chewed through the teeth to promote, only through repeated chewing, the oral can be obtained?