hindgut

例句：

1. 1. The hindgut is the part of the digestive system that absorbs water and nutrients from food.
   后肠是消化系统的一部分，它吸收食物中的水分和营养物质。
2. 2. The appendix is a small, round organ located just behind the small intestine.
   阑尾是一个小的、圆的器官，位于小肠后面。
3. 3. Intestines are long, thin tubes that carry food and waste through the body.
   肠道是长而细的管道，负责将食物和废物通过身体输送。