Answers

The Brainliest Answer!
2015-07-07T21:52:17+08:00
The smoke from the cigarette is dangerous and a risk of developing cardio-vascular diseases..
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2015-07-07T21:55:26+08:00
Since smoking increases the risk of lung cancer, therefore due to the oxygenation of blood in the lungs, the blood will pass from the heart to lungs then lungs to heart.
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