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3 answers

increased blood flow to ur muscles

2006-11-13 13:05:34 · answer #1 · answered by dewgongoo 2 · 0 0

Because they have a "pump" from the exercise

2006-11-13 13:05:43 · answer #2 · answered by . 2 · 0 0

they are pumped up..........,more blood in the tissue

2006-11-13 13:06:32 · answer #3 · answered by xjoizey 7 · 0 0

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