The impact that HIV had on the field of global health is often credited to AIDS Activists. What did AIDS activists aim to do? Check all that apply.

Ibelieve it would be d (side effect) sorry if i'm wrong(:

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. 

1.controls blood flow2.controls oxygen flow3.carries oxygen rich blood to veins