Obstructive Propertiesof Tar An Experiment
What to do first … • Place the funnel in the jar. • Line the funnel with filter paper • Pour water into the filter. Note how quickly it flows. http://www.chem.ubc.ca/courseware/154/tutorials/exp4A/crufilt/crufilt-gravity.jpg
Try this next … • Remove the wet filter paper from the funnel. • Get a dry piece of filter paper. • Spread a thin layer of molasses on one side. Place this filter in the funnel. • Pour water into the funnel.
Compare your findings: • Did you notice how quickly the water flows through the filter paper? • Notice how slow the water flows through the coated paper.
Think about it … • Think about the filter paper representing your lung tissue, and the water representing oxygen. http://www.mamashealth.com/images/lungs1.gif • The molasses that you used in the second half of this experiment represents the tar found in tobacco products, like cigarettes and cigars. This image represents a year’s worth of tar from smoking 1 pack of cigarettes per day . http://www.healthconnection.org/temp/new/product_1521_1847.html
In healthy lungs, the oxygen is able to pass through the lung tissue easier and is available for use by your body. http://www.lungusa.org/site/pp.asp?c=dvLUK9O0E&b=22577
Lungs that are coated with tar do not allow oxygen exchange as well as healthy lungs without tar. www.smokerslungs.com/smokers-lungs-12.jpg