Biology

What are the thin bones that protect your lungs and heart?

More Questions from Biology
What food group is the largest?
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How many legs do insects have?
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What type of worm is an earthworm?
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What does a caterpillar morph into?
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Which of the following fish can adapt to both salt water and freshwater?
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What is another name for the portion of Earth that sustains life?
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Which animal was mistaken for the source of the bubonic plague?
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Natural pearls are found in what sea creature?
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