脏器

例句：

1. 1.The heart is the primary organ responsiblefor pumping blood throughout the body.
   心脏是负责全身血液循环的主要器官。
2. 2. The liveris a vital organ that processes and detoxifies toxins in the blood.
   肝脏是一个关键的器官，它处理和清除血液中的毒素。
3. 3. The kidneys are essentialorgans responsible for filtering waste productsfrom the blood and maintaining fluid balance.
   肾脏是重要的器官，它们负责过滤血液中的废物并维持体液平衡。