spleen governing ascending clear

例句：

1. 1.The spleen is responsible for filtering blood and removing waste products.
   脾脏负责过滤血液和清除废物。
2. 2.The spleen plays a crucial role in the immune system.
   脾脏在免疫系统中起着至关重要的作用。
3. 3. Spleen enlargement can be a sign of an underlying medical condition.
   脾肿大可能是某种潜在疾病的迹象。