Experts tell us that the two main health benefits from physical activity are (Check all that apply) : 1: longer life spans.
2: a higher quality of life.
3: higher pay when you start working.
4: the need for less food.

1 and 2 I believe, picking 3 and 4 is a no no

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Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases.