Answer:
The principal nonmalignant respiratory diseases caused by cigarette smoking—COPD, emphysema, chronic bronchitis, and asthma—are defined in Table 7.2. The definitions indicate that chronic bronchitis is a specific set of symptoms, whereas emphysema refers to a particular pattern of lung damage.
True because you can take medicine or vaccines which are prevention methods from certain sicknesses
1. Ribosomal RNA
2.Messenger RNA
3.transfer RNA
