Question

1. the sticky substance caused by cigarette smoke that makes a) tar b) carbon monoxide c) second hand smoke d) nicotine 5. smoking interferes with the lungs ability to provide _ to the rest a) blood b) oxygen c) nutrients d) carbon dioxide 6. vaping creates an _ that contains toxic chemicals. a) water mist b) water vapor c) aerosol d) smoke 7. the chemical in vaping that can cause serious lung disease is called a) diacetyl b) nicotine c) fentanyl d) thc

Explanation:

• For question 5, the main function of lungs is gas - exchange, providing oxygen to the body. Smoking impairs this function.
• For question 6, vaping produces an aerosol which contains toxic chemicals.

Answer:

1. b) Oxygen
2. c) Aerosol