Why is it useful to divide only skeletal muscle into motor units? Why not the heart?
回答 (1)
2019-03-29 4:45 pm
✔ 最佳答案
Have a go
收錄日期: 2021-04-24 07:36:28
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https://hk.answers.yahoo.com/question/index?qid=20190329035959AAQyXrZ