Muscle Contraction and Movement

1. Purposeful movement of the whole body or parts of the body, 2) Manipulation of external objects, 3) Propulsion of contents through hollow internal organs, 4) Emptying the contents of certain organs to the external environment

40%

10 to 100 micrometers in diameter and up to 750,000 micrometers in length

<p>Striated</p> Signup and view all the answers

<p>10%</p> Signup and view all the answers

<p>The fusion of many smaller cells called myoblasts</p> Signup and view all the answers

<p>Striated muscles show alternating dark and light bands, while unstriated muscles do not.</p> Signup and view all the answers

<p>Skeletal muscle is innervated by the somatic nervous system and subject to voluntary control.</p> Signup and view all the answers

<p>Posture, balance, and rhythmic movements like walking.</p> Signup and view all the answers

<p>To pump blood throughout the body.</p> Signup and view all the answers