How Muscles Move Our Bones and Work in Pairs

1. MUSCLES

2. MUSCLES ARE SOFT MOVE OUR BONES BY Para ver esta película, debe disponer de QuickTime™ y de un descompresor GIF. CONTRACTING RELAXING

3. MUSCLES MOVE OUR BONES Para ver esta película, debe disponer de QuickTime™ y de un descompresor GIF.

4. BICEPS AND TRICEPS BICEP S TRICEPS

5. BICEPS AND TRICEPS WORK TOGETHER WHEN I BEND MY ARM MY BICEPS CONTRACT “SHORTER” MY TRICEPS RELAX “LONGER”

6. BICEPS AND TRICEPS WORK TOGETHER WHEN I STRETCH MY ARM MY BICEPS RELAX “LONGER” MY TRICEPS CONTRACT “SHORTER”

7. TWO TYPES OF MUSCLES VOLUNTARY MUSCLES INVOLUNTARY MUSCLES

8. VOLUNTARY MUSCLES WE WANT MOVE PLAY DANCE SENDS A SIGNAL OUR BRAIN THESE MUSCLES

9. INVOLUNTARY MUSCLES ASLEEP HEART MOVE AUTOMATICALLY LUNGS

10. INVOLUNTARY MUSCLES ASLEEP HEART MOVE AUTOMATICALLY LUNGS

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