cigarette tar in lungs Human severely damaged by smoking, showing buildup, cancerous tissue Lung cancer: excised, tar-stained lung
Lung cancer: excised, tar stained lung Stock Image M131 0095 Science Photo Library This is lung cancer, but how smoking causes lung MEDizzy How to Help Lungs Recover After Quitting Smoking How the lungs change due to smoking The image of blackened lungs isn't a prop. It's the harsh reality of smoking. While healthy lungs are a pinkish color, cigarette smoke causes permanent, heavy staining from tar and other particulate Smoking The respiratory system in humans WJEC GCSE Biology (Single Science) Revision WJEC BBC Bitesize
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