tobacco tar in lungs Smoking - The respiratory system humans – WJEC - GCSE Biology (Single Science) Revision - WJEC A Year's Worth Of Tar
A Year's Worth Of Tar Tobacco Education Model Health Edco What Happens When You Smoke? Cigarettes contain nicotine, tar, and carbon monoxide. Short term effects: Increased heart rate Higher blood pressure Reduced oxygen Long term effects: Lung cancer Biology Notes for A level: #53 Summary of Smoking A smoker's lungs become black and filled with tar. Learn more in the #tobaccoatlas http: t.co DQiH1O1WsP
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