Osteoporosis: Fold a piece of standard 22 × 28 cm (8½ × 11 in.) paper in half, in half again and in half a third time. (

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Osteoporosis: Fold a piece of standard 22 × 28 cm (8½ × 11 in.) paper in half, in half again and in half a third time. (It will now be about 3.5 × 28 cm). Now try to break it in half; pull it from either end to break it. What happens? Unfold the paper once and cut several holes along the edges. If necessary, unfold it again to carry out this step. This will make the paper porous, much like bone becomes with osteoporosis. Refold the paper to the original 3.5 × 28 cm size and attempt to break it in half or pull it apart from the ends. What happens this time?
Coronary artery disease: Use a straw to drink water. Now, put small pieces of paper towel into the end of the straw and try to drink through it. What happens? Keep adding more paper towel to the straw and try to draw fluid through the straw. How does this relate to coronary artery disease?