Muscles

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Muscles

  1. 1. Muscles
  2. 2. Bones, joints and muscles make up the locomotor system. Muscles are flexible and elastic. Locomotor system
  3. 3. Muscles -In our body, we have more than 600 bones. -Muscles work in pairs, when one muscle contracts, the other one relaxes. relaxed contracted
  4. 4. Muscles They are attached to the bones by tendons
  5. 5. gluteal muscles intercostals neck muscles
  6. 6. Quiz • 1. What attaches the muscles to the bones, tendons or joints? • 2. Are muscles hard and rigid or flexible and elastic? • 3. This muscle is in the arm. Is it the biceps or the quadriceps? • 4. These muscles are in the trunk. They are between the ribs. Are they the intercostal or the pectoral muscles? • 5. Do muscles work on their own or in pairs? • 6. When one muscle in a pair contracts does the other muscle contract too or relax?
  7. 7. Answers • 1.Tendons • 2. Flexible and elastic. • 3. The biceps. • 4. Intercostal muscles • 5. In pairs. • 6. The other one relaxes.

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