Biology

What are the tiny air sacs in the lungs called?

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What is the name of the tube that carries blood to the heart?
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Which of these animals below is extinct?
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What are the young leaves of a plant embryo called?
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Which answer choice is not one of the conditions under which a Hardy-Weinberg equilibrium will occur?
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Which vitamin enhances the absorption of calcium from foods?
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What will happen to crops if they do not get enough water while getting too much heat?
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Where are the carpals found in humans?
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What is endocrinology?
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