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2006-11-26 10:53:58 · 1 answers · asked by smashbrolover 1 in Science & Mathematics Biology

1 answers

Many amphibians have gills at one stage to remove oxygen from the water for respiration. Amphibians have kidneys that filter chemicals out of their blood, release it through their urine or reabsorb it for future use.
D.

2006-11-26 11:01:25 · answer #1 · answered by Dan S 6 · 0 0

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