example 5 use the result of example 3 to find the average rate of change of from 3 to 0 the average rate of change of from 3 to 0 is a 0 3 3 1 a difference quotient can also be used to define a function that allows us to determine the average rate of change
If you stop smoking at this point, the lungs are not damaged any further, though the damage that has already been done cannot be reversed. So, giving up smoking would be the first step towards controlling the progression of lung damage. Allergies too can affect the lungs and decrease its function.
Allergens can get into your body many ways to cause an allergic reaction. 1  You can inhale allergens into your nose and your lungs. Many are small enough to float through the air. 2  You can ingest allergens by mouth. This includes food and medicines you eat or swallow. 3  Your body can have allergens injected into it.