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Understanding the Muscular System: Types and Functions of Muscles

Explore the intricacies of the muscular system, focusing on cardiac, skeletal, and smooth muscles. Understand the roles of voluntary and involuntary muscles, as well as tendons in movement. Learn how muscles work in pairs and the conversion of energy during contraction. Discover how regular physical activity, like cycling, influences muscle development and strength. This section provides insights into muscle function as well as graphical representations of different lever types in the human body, enhancing your comprehension of biomechanics.

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Understanding the Muscular System: Types and Functions of Muscles

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  1. Section 2The Muscular System DEFINE CARDIAC MUSCLE VOLUNTARY MUSCLE SKELETAL MUSCLE INVOLUNTARY MUSCLE TENDON MUSCLE SMOOTH MUSCLE

  2. Section 2The Muscular System

  3. Section 2The Muscular System • HOW DO MUSCLES WORK IN PAIRS? COMPLETE Blood carries 1.___________________ to your muscle cells. When your muscles contract, 2._________________ from these molecules is converted to 3. _____________ and 4. _______________. When the supply of 5.________ in the muscle is 6._________, the muscle becomes ____________. As the muscle ________________, blood brings more ________________ to your muscle cells.

  4. Section 2The Muscular System • What is the role of muscles in the body? • Draw each type of lever found in the human body. • Label the fulcrum, load, and direction • First -class lever • Second -class lever • Third- class lever

  5. Section 2The Muscular System • Suppose a woman began riding her bike more regularly instead of watching TV. Evaluate what kinds of changes in her leg muscles she might start seeing. Explain why this occurs.

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