扁桃腺、胸腺、阑尾、松果体在人体内不被人们重视,常常被视为“多余”。为了让大家通晓它们的作用,以正视听。分别简述如下。人体上的扁桃腺被人们认为用处不大,是有害无益的腺体。有些人因为扁桃腺肿大、发炎,便轻易地让医生手术摘除。其实,扁桃腺是一个重要的免疫器官,就象大门两边站岗的卫兵,时刻防止细菌和感染因素侵入人体。扁桃腺还含 Tonsils, thymus, appendix, pineal gland in the human body is not valued by people, often regarded as “excess ”. In order to make people aware of their role, to face hearing. Briefly described as follows. Tonsils on the human body are considered less useful and harmful to the glands. Some people because of tonsil swelling, inflammation, it is easy for the doctor surgical removal. In fact, the tonsils are an important immune organ, guarding the guard on both sides of the gate, preventing bacteria and infectious agents from invading the human body at all times. Tonsils also contain