For one, their cells look pretty different. Skeletal muscle tissue has long, multinucleate cells, while cardiac cells are squat, branched out, and interconnected, each one with one or two central nuclei.

，们细胞看起来非常不同。骨骼肌组有长多核细胞，而心脏细胞是蹲下、和相互连接，每个细胞都有一两个中央细胞核。