spleen failing to manage blood

例句：

1. 1. The spleen is responsible for filtering bloodand removing waste products.
   脾脏负责过滤血液和清除废物。
2. 2. He was diagnosed witha spleen infection after beinghospitalized.
   他被诊断出患有脾脏感染，住院治疗后。
3. 3. Spleen functionis essential for the body's immunesystem.
   脾脏功能对于身体的免疫系统至关重要。