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Across 1. Smoking is one possible cause of _____ ulcers. 3. Pipes and cigars are filled with _____ tobacco leaves. 5. _____ lung, chemicals in tobacco smoke coat the bronchi and alveoli in the lungs. 7. _____ speeds the heartbeat, raises blood pressure, increases the craving for tobacco, and causes dizziness and upset stomach. 10. _____ a poisonous liquid alcohol is known to cause blindness. 11. Tar and other _____ leave a sticky residue, which destroys the cilia in the bronchi. 14. _____ presents the body form getting all the oxygen it needs. 16. _____ smoking causes bad breath. 17. Smoking increases the risk of _____ cancer by up to ten times 18. _____ lung is clear and healthy looking.

Down 2. One of two forms of tobacco that are placed in the mouth _____. 3. _____ tobacco may seem safe. 4. the _____ in tobacco are powerful. 6. _____ are also used for smoking tobacco. 8. _____ forms a sticky coating on the bronchial tubes and in the lungs. 9. ______ is an irritating, acidic gas that is used in laboratory disinfectants and preservatives. 11. Circulatory: The ______ system is smoking weakens the blood vessels. 12. _____ is a deadly poison 13. Smokers are at increased risk of _____ diseases and a stroke. 15. Smoking reduces the flow of oxygen to the _____, which could lead to a stroke.