Why would you smoke when you have a better alternative? You know that its not good for you, for people next to you, and for the environment. The dangers that you are putting your health at are really drastic, and the carcinogens are truly...英国华人论坛
I became so engrossed in these extra-ordinary puzzles that time just flew by me. They are so addictive they ought to carry a Health Warning. I planned to make these puzzles available to the Internet community just as soon as I got home. Gues...英国华人论坛
The kidney The purpose of the two kidneys is to filter the water in your blood as the blood passes through the kidneys. About 4 gallons of water are filtered every day but only around 3 pints are pulled out as urine. Alcohol and sugar are th...英国华人论坛
Usually black lungs is caused by mining in a coal mine. In this place the carbon from the coal dust enters the miners body and it gets deposited on the lungs. As time passes the dust accumulates into a black substance which coats the entir...英国华人论坛
Usually black lungs is caused by mining in a coal mine. In this place the carbon from the coal dust enters the miners body and it gets deposited on the lungs. As time passes the dust accumulates into a black substance which coats the entire...英国华人论坛
The lungs are massive vessel-like organs in the chest cavity. They are the largest and most essential part of the respiration system. The air we breathe enters and exits our lungs through two passages; the bronchioles and the bronchi. Lungs'...英国华人论坛