Answer:
Smoking can cause lung disease by damaging your airways and the small air sacs (alveoli) found in your lungs. Lung diseases caused by smoking include COPD, which includes emphysema and chronic bronchitis. Cigarette smoking causes most cases of lung cancer.
Answer:
#6 according to Hesston school file PDF IT Was because of the war with Mexico. The United States decided to include both oceans
Tread mill because a tread mill u use a lot of body muscle
Left is striated, right is smooth.
