Segments in this Video

Muscles: Information (02:18)


All living beings need to move. Each adapts to individual needs. A cat can run fast sprints to catch prey. Muscles are engines to help articulate parts of the body.

Muscles (02:51)

Muscles protect bones, articulations, and susceptible organs. They comprise half of total body weight, vary in size, and can be voluntary or involuntary.

Skeletal Muscles (02:50)

Skeletal muscles are usually joined to the bone by tendons and are voluntary. Fibers have bands called striations; myosin and actin produce movement.

Movement (04:08)

While is a combination of complex movements; extensors and flexors can share the effort in certain motions. Reflex actions are involuntary reactions to stimuli. Regular exercise helps improve and strengthen muscles.

Access to Summary (02:21)

Muscles protect bones, joints, and susceptible organs, and comprise half our total body weight. Cardiac muscle pumps blood throughout the body. Fibers have bands called striations; myosin and actin produce movement.

Credits: Muscles (00:40)

Credits: Muscles

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Part of the Series : Just the Facts Biology of the Human Body Series
3-Year Streaming Price: $99.95



Muscles enable movement, but did you know they have other important functions as well? The muscles are crucial for protecting bones and providing warmth. Learn all about the functions of muscles in this program.

Length: 17 minutes

Item#: BVL155133

Copyright date: ©2013

Closed Captioned

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