Term
| What is a muscle that bends a joint? |
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Definition
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Term
| What is a muscle that straightens a joint? |
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Definition
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Term
| About how many muscles make up your muscular system? |
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Definition
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Term
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Definition
| They shorten their length (contracts). This pulls the bones that are attached to the muscles by tendons. |
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Term
| What is the connective tissue that connects bone to bone? |
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Definition
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Term
| What is the connective tissue that connects bone to muscle? |
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Definition
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Term
| Why do muscles have to work in pairs? |
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Definition
| Muscles only pull bones when they contract (flexors). Another muscle is needed to straighten the joint (extensors). When one muscle contracts, the other relaxes. |
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Term
| What pair of muscles work together to move your arm? |
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Definition
biceps - flexors triceps - extensors
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