leghemoglobin

例句：

1. 1.The red blood cells carry oxygen throughout the body.
   红细胞携带氧气在整个身体中流动。
2. 2.Hemoglobin is a protein found in red blood cells.
   血红蛋白是一种存在于红细胞中的蛋白质。
3. 3. The study of hemoglobin has led to important medical breakthroughs.
   研究血红蛋白导致了重要的医学突破。