Substances in tobacco smoke

Substances in tobacco smoke

Don’t smoke! This video demonstrates what happens in the lungs when a person smokes.

01:52

Biology

Keywords

tobacco smoke, smoking, cigarette, model lung, carcinogenic substances, harmful substances, combustion product, respiration, experiment, biology

On-screen labels

plastic bottle, plasticine, cigarette, cotton wads, Pour some water into a plastic bottle., Secure the cigarette in the mouth of the bottle with the plasticine, thus sealing the bottle., Light the cigarette and simulate inhalation and exhalation by squeezing the bottle repeatedly., When the cigarette has burnt down, shake the contents of the bottle., Observe how water-soluble substances in the cigarette smoke change the colour of the water., Let’s see what happens after smoking a pack of cigarettes, but this time replace the water with wads of cotton.
Added to your cart.