Why is it important to wear a seat belt ? check all that apply

2,4,5 are the answers Hope this helped have a great day

It seems like you can check every single one, because they all apply! :)

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