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When you bend your arm, what happens to the muscle on the top of your arm? ๅฝไฝ ๅผฏๆฒๆ่ๆถ๏ผๆ่ไธๆน็่่ไผๅ็ไปไน๏ผ
It contracts and gets shorter. ๅฎๆถ็ผฉๅนถๅ็ญใ
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15
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What does "contract" mean? "ๆถ็ผฉ"ๆฏไปไนๆๆ๏ผ
To get shorter and tighter. ๅ็ญๅ็ดงใ
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eraser
Reset score!
Oops!
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fairy
Take points!
5
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25
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rocket
Go to first place!
Okay!
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thief
Give points!
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25
15
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How do muscles work? ่่ๅฆไฝๅทฅไฝ๏ผ
They work in pairs. ๅฎไปฌๆๅฏนๅทฅไฝใ
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15
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What do muscles do? ่่ๅไปไน๏ผ
They pull on your bones to make them move. ๅฎไปฌๆๅจไฝ ็้ชจๅคดไฝฟๅ ถ็งปๅจใ
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15
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What does "relax" mean? "ๆพๆพ"ๆฏไปไนๆๆ๏ผ
To get longer and looser. ๅ้ฟๅๆพใ
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15
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When you straighten your arm, what happens to the muscle on the bottom of your arm? ๅฝไฝ ไผธ็ดๆ่ๆถ๏ผๆ่ไธๆน็่่ไผๅ็ไปไน๏ผ
It contracts and gets shorter. ๅฎๆถ็ผฉๅนถๅ็ญใ
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15
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Why do we need both bones and muscles to move? ไธบไปไนๆไปฌ้่ฆ้ชจๅคดๅ่่ไธ่ตทๆ่ฝๆดปๅจ๏ผ
Muscles pull on bones to make them move. ่่ๆๅจ้ชจๅคดไฝฟๅ ถ็งปๅจใ
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15
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True or False: Muscles work alone and do not need bones. ๅฏน่ฟๆฏ้๏ผ่่ๅ็ฌๅทฅไฝ๏ผไธ้่ฆ้ชจๅคดใ
False. ้ใ
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15
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What happens when a muscle contracts? ๅฝ่่ๆถ็ผฉๆถไผๅ็ไปไน๏ผ
It gets shorter and tighter. ๅฎๅ็ญๅ็ดงใ
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15
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Fill in the blank: When a muscle ______, it gets shorter and tighter. ๅกซ็ฉบ๏ผๅฝ่่______ๆถ๏ผๅฎไผๅ็ญๅ็ดงใ
Contracts. ๆถ็ผฉใ
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×
boom
Lose 50 points!
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shark
Other team loses 10 points!
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fairy
Take points!
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25
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lifesaver
Give 25 points!
Oops!
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thief
Give points!
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25
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star
Double points!
Okay!
×
shark
Other team loses 15 points!
Okay!
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thief
Give points!
5
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25
15
×
When you bend your arm, what happens to the muscle on the bottom of your arm? ๅฝไฝ ๅผฏๆฒๆ่ๆถ๏ผๆ่ไธๆน็่่ไผๅ็ไปไน๏ผ
It relaxes and gets longer. ๅฎๆพๆพๅนถๅ้ฟใ
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trap
No points!
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fairy
Take points!
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20
25
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gift
Win 20 points!
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banana
Go to last place!
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15
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True or False: Muscles are hard like bones. ๅฏน่ฟๆฏ้๏ผ่่ๅ้ชจๅคดไธๆ ทๅ็กฌใ
False. ้ใ
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