题目内容
The digestive tract consists of the mouth, the esophagus, the stomach , small intestines, large intestines, rectum and anus.
查看答案
搜索结果不匹配？点我反馈
更多问题
There are three salivary glands in the oral cavity.
The stomach, which both stores food and continues the chemical reduction begun in the mouth, looks like a J-shaped bag.
The absorption of digested food takes place through the capillaries and lacteals of the villi.
The liver is the largest organ in the body.
微信支付 
支付宝支付