the viscus of storing blood

例句：

1. 1. The surgeon removedthe viscus to relieve pressure on the heart.
   外科医生切除了血袋以减轻对心脏的压力。
2. 2. The patient's blood was stored in a viscus for transfusion.
   病人的血被储存在一个血袋中用于输血。
3. 3.The operation involved removing the viscus and replacing it with a synthetic material.
   手术包括移除血袋并用合成材料替换它。