Biology
In addition to mucus, what helps your nose filter out germs and dirt?
More Questions from Biology
What is an algal bloom that occurs in salt water called?
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What are the long strands of genetic material in the nucleus called?
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What natural biological defense system protects the body from disease and fights off germs?
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What is a group of animals of the same species living and working together called?
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Which of the following human traits can be used, like fingerprints, for identification?
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