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1
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blood vessel that carries the blood
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4
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the heart is a
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6
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this protects our heart and lungs
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7
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we breath this in
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8
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red in colour
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10
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we need to do this to keep our heart healthy
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11
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heart sound is called a
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14
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the blood carries thousands of these around our body
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2
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lungs a like a
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3
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we breath air into them
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5
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we breath out
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9
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heart and lungs give us
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11
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pumps blood around our body
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12
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pumps blood through it
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13
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lungs help us
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