What do you think is happening to the air that was in the frog's mouth?
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When the frog is out of the water, mucus glands in the skin keep the frogmoist, which helps absorb dissolved oxygen from the air. ... In order to drawair into its mouth the frog lowers the floor of its mouth, which causes the throat to expand.
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When the frog is out of the water, mucus glands in the skin keep the frog moist, which helps absorb dissolved oxygen from the air. ... Then the nostrils open allowing air to enter the enlarged mouth. The nostrils then close and the air in the mouth is forced into the lungs by contraction of the floor of the mouth.
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