Select all that apply. space heaters: should not be left unattended should be kept away from walkways are not hazardous for children to play with can be a fire hazard

Space heaters should never be left unattended, and can always be a fire hazard

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. 

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