Muscular System Quiz

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Questions and Answers

Which type of muscle is responsible for movement in the body?

  • Fibrous
  • Skeletal (correct)
  • Cardiac
  • Smooth

Which type of muscle is responsible for precise movements such as facial expressions and eye movements?

  • Skeletal (correct)
  • Cardiac
  • Fibrous
  • Smooth

What is the predominant function of the muscular system?

  • Posture
  • Joint stability
  • Heat production
  • Contractility (correct)

What are the three types of muscles in the muscular system?

<p>Skeletal, cardiac, smooth (C)</p> Signup and view all the answers

What other important function does muscle contraction perform in the body, besides movement?

<p>All of the above (D)</p> Signup and view all the answers

Match the following types of muscles with their descriptions:

<p>Skeletal muscles = Produce clear movements such as walking and running Cardiac muscles = Found only in the heart and responsible for its contraction Smooth muscles = Found in the walls of internal organs and blood vessels Muscle fibers = Specialized cells that make up the muscular system</p> Signup and view all the answers

Match the following functions of muscle contraction with their descriptions:

<p>Posture = Maintained as a result of muscle contraction Joint stability = Ensured by the constant fine adjustments made by skeletal muscles Heat production = One of the other important functions of muscle contraction Movement = The predominant function of the muscular system</p> Signup and view all the answers

Match the following body movements with the types of muscles responsible for them:

<p>Walking and running = Skeletal muscles Heartbeat = Cardiac muscles Digestive contractions = Smooth muscles Facial expressions = Skeletal muscles</p> Signup and view all the answers

Match the following terms with their correct definitions:

<p>Muscle fibers = Specialized cells that make up the muscular system Contractility = The predominant function of the muscular system Skeletal muscles = Responsible for movement and posture Smooth muscles = Found in the walls of internal organs and blood vessels</p> Signup and view all the answers

Match the following types of movements with their descriptions:

<p>Clear movements such as walking and running = Produced by the integrated work of joints, bones, and skeletal muscles More precise movements that lead to different facial expressions, eye movements, and breathing = Produced by skeletal muscles Maintenance of posture = Result of the constant fine adjustments made by skeletal muscles Heart contraction = Performed by cardiac muscles</p> Signup and view all the answers

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Study Notes

Muscular System

  • The muscular system is responsible for movement in the body.

Types of Muscles

  • There are three types of muscles in the muscular system: skeletal, smooth, and cardiac muscle.

Skeletal Muscle

  • Responsible for movement in the body, such as walking and running.
  • Also responsible for precise movements such as facial expressions and eye movements.

Functions of Muscle Contraction

  • Besides movement, muscle contraction also helps with blood circulation and maintaining posture.

Description Matching

  • Smooth muscle: involuntary, found in internal organs, and concerned with automatic functions.
  • Cardiac muscle: involuntary, found in the heart, and responsible for pumping blood.
  • Skeletal muscle: voluntary, found in skeletal muscles, and responsible for movement.

Movement Matching

  • Walking and running: skeletal muscle.
  • Blood circulation: smooth muscle.
  • Pumping blood: cardiac muscle.

Definition Matching

  • Muscle tone: a state of partial contraction of muscles that helps maintain posture.
  • Isotonic contraction: muscle contraction that produces movement.
  • Isometric contraction: muscle contraction that produces tension without movement.

Types of Movements

  • Isotonic movement: movement that occurs when muscle contraction produces movement, such as bending the arm.
  • Isometric movement: movement that occurs when muscle contraction produces tension without movement, such as holding a weight.

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