This question is coming from my Biology book in the chapter about DNA and Genes
Biology - 1 Answers
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Tiny ,but not too tiny that they get absorbed by blood, tar particles get stuck in the alveoli and clog the alveolar ducts, causing cell death -> cell growth in other parts of the lungs to compensate for loss of function -> increased risk of lung cancer because every time the cell divides there's a chance of a cancerous mutation.
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