myosin

例句：

1. 1. Myoglobin is a protein that helps muscles store and release oxygen.
   肌动蛋白是一种蛋白质，帮助肌肉储存和释放氧气。
2. 2. Actin is a protein in the cytoskeleton that helps cells move and contract.
   肌动蛋白是细胞骨架中的蛋白质，帮助细胞移动和收缩。
3. 3. Myoglobin is found in red blood cells and helps carry oxygen to tissues.
   肌红蛋白存在于红细胞中，帮助将氧气输送到组织。