The Muscular System Ch. 15.3 - PowerPoint PPT Presentation

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The Muscular System Ch. 15.3

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The Muscular System Ch. 15.3 Smooth Muscle is found in the digestive tract and the walls of blood vessels. Cardiac Muscle is found only in the heart. – PowerPoint PPT presentation

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Title: The Muscular System Ch. 15.3


1
The Muscular System Ch. 15.3
  • Smooth Muscle is found in the digestive tract and
    the walls of blood vessels.
  • Cardiac Muscle is found only in the heart.
  • Skeletal Muscle is attached to the bones and
    helps you move. It also helps protect your inner
    organs.

2
2 Types of Muscle Action
  • Muscle action that is under your control is
    voluntary.
  • Muscle action that is not under your control is
    involuntary.

3
  • Aerobic exercise is exercise like cycling or
    running that improves your hearts ability to
    pump oxygen rich blood efficiently through your
    body
  • Resistance exercise is working against the weight
    of an object to build muscle strength and size
    (push ups, weightlifting)

4
  • Flexor- a muscle that bends part of your body
  • Extensor- a muscle that straightens part of your
    body
  • Tendon- tissue that connects skeletal muscle to
    bones
  • Tendinitis- a condition in which the tendon
    becomes inflamed
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