Biology

What are the tiny air sacs in the lungs called?

More Questions from Biology
What are squirrels thought to bury to store for a winter supply of food?
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Which of the following is not an arthropod?
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What sort of plant has an internal system of tube-like structures?
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What is a reddish-orange pigment found in fruits, vegetables, and other plants?
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What light-sensitive cells in the eye detect colors?
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Which of the following is not a risk factor for high blood pressure?
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What do you call a person who sells and takes care of plants?
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What kind of animal is almost completely blind at birth?
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