Question

1. smoking does not cause chronic illness like bronchitis and emphysema (5 points) true false 5. what is cilia? (5 points) small chemicals found in bloodstream large spots on liver tiny hair like structures that keep the airways clean. none of the above 6. what is carbon dioxide? (5 points) * toxic gas that causes oxygen deprivation and shortness of breath. a chemical your body needs to survive both a and b none of the above

Explanation:

• For question 4: Smoking is a well - known cause of chronic illnesses like bronchitis and emphysema.
• For question 5: Cilia are tiny hair - like structures in the respiratory system that help keep the airways clean.
• For question 6: Carbon dioxide is a normal by - product of metabolism in the body and is not a toxic gas that causes oxygen deprivation and shortness of breath in normal circumstances. It is also not a chemical the body needs to survive in the sense of being an essential nutrient.

Answer:

1. B. False
2. C. Tiny hair like structures that keep the airways clean.
3. D. None of the Above