Practice of the smoke and respiration - Objective: See what the effects of tobacco are. That is what he does. Also create a bottle machine. - Material: - Cello Cotton Scalpel Silver paper Bottle Wand Specimen Procediments: First we make a hole on the bottom of the bottle. then hooked a little cotton on the underside of the cap. cross below the hole on the cigarette he'd done the plug. and fill the water bottle. The smokes enter de bottle linked a lung. It is an imitation of a lung. Put cotton with ethanol to see who is entering the lung. Ethanol does an extraction of the substances. Also putt he filter with the Ethanol. - Results: The smoke has entered in the bottle and has been all gray. The filter has become dirty. The color of Ethanol is yellow. - Conclusions: My conclusions are that smoking is very bad, because it has some addictive that provoke that you get hooked up and produce diseases. For example if you smoke very much produces the cancer of lung, the bronchitis...