Muscle06/introduction

提供:一歩一歩
2012年9月27日 (木) 07:46時点におけるSoichi.Nakatake (トーク | 投稿記録)による版
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 Skeletal muscles contract only when stimulated. Usually, this stimulation comes from motor neurons in human bodies. With denervation because of injury etc, skeletal muscles can no longer contract. Naturally, somatic nerves innervate the skeletal muscles and can contract them voluntarily.

Challenge Quiz

1.

Humans can. can not contract skeletal muscles voluntarily.

2.

Skeletal muscles are innervated by somatic.^autonomic nerves.