Biology

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

More Questions from Biology
How many bones are in each finger, except the thumb, of a human hand?
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Where is the mandible found?
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Which of these animals is cold-blooded?
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Which type of Japanese tree is small and grows in a pot?
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What body system is the human heart part of?
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Which of these do organisms use to make energy?
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What is the process of joining the male and female sex cells of a plant called?
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What type of gas is provided by trees to help us breathe?
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