器官

例句：

1. 1. The heart is an organ that pumps blood throughout the body.
   心脏是一个泵血的器官，将血液输送到全身。
2. 2. The liver is a vital organ responsible for detoxifying the body.
   肝脏是一个重要的器官，负责解毒。
3. 3. The brain is the primary organ of the human body, responsible for processing information and controlling behavior.
   大脑是人类身体的主要器官，负责处理信息和控制行为。