Skeletal/ Muscular System

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Skeletal/ Muscular System
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1. Skeletal Systema. Functions

1. Support
2. Movement
3. Protection
4. Storage
5. Blood cell production

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b. Divisions of the Skeletal System

• Axial Skeleton
• Protection
• Skull
• Ribs
• Spinal column
• Appendicular Skeleton
• Movement
• Arms
• Legs
• hips

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c. Types of Joints

1. Immovable joints
2. Ball and socket
3. Hinge joints
4. Saddle joints

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d. Components of Skeletal System

1. 206 bones
2. Ligaments hold bones together
3. Tendons attach bones to muscle

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Muscular Systema. types of muscle

1. Skeletal voluntary muscles that move the
   skeleton. Also called striated muscle
2. Smooth involuntary muscles that line the walls
   of arteries and some internal organs
3. Cardiac heart muscle

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b. How do muscles work?

1. Muscles pull (they do not push)
2. They work in antagonistic pairs

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3. What is an antagonistic pair?

• a. Every movable joint is controlled by at least
  two muscles that pull the bone in opposite
  directions