Smoking 0.0 / 5 ? BiologyHealthy livingGCSEAQA Created by: Captain Epps LennoxCreated on: 24-05-16 19:07 7263145 Across 1. Carcinogens are substances that cause cancer. Tobacco smoke contains many carcinogens, including this substance. Smoking increases the risk of lung cancer, mouth cancer and throat cancer. (3) 3. Smoking during pregnancy is very dangerous as it reduces the amount of oxygen available to the growing fetus. This leads to an increased risk of: (11) 4. Smoking can cause a certain cancer. What it is (4, 6) 5. It is the addictive substance in tobacco smoke. It creates a dependency so that smokers become addicted. (8) Down 2. If you wanted an alternate cigarette what could you use (1, 9) 6. It combines with the haemoglobin in red blood cells and so reduces the ability of the blood to carry oxygen. This puts extra strain on the circulatory system, and can cause an increased risk of heart disease and strokes. (6, 8) 7. Smoking during pregnancy is very dangerous as it reduces the amount of oxygen available to the growing fetus. This leads to an increased risk of: (9, 5)
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