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12 Cards in this Set
- Front
- Back
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How many muscles does the human body contain |
650 |
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The muscles are attached to the bones by ..... |
Tendons. That means to attach a muscle to a bone |
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All muscles work by .... |
Pulling |
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What can't muscles do |
Push |
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All muscles work in ..... |
Pairs |
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While one muscle is contracting, the other muscle is ..... |
Relaxing |
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When muscles contract, they become ....... and ........ |
Shorter and fatter |
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When muscles relax, they become ...... and ....... |
Longer and thinner |
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When the formal is raised, the biceps get ....... and the triceps gets ..... |
Bigger. smaller |
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When the foream is lowered, the biceps get .... and the triceps get ...... |
Smaller. Bigger |
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What are muscles used for |
Movement |
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What are voluntary and involuntary muscles |
Voluntary muscles are muscles that you can control and can help move your bones. Involuntary muscles are muscles that make the internal muscles work without being controled |
