Josh suffers from pneumonia is his lungs are filled with fluid.
Pneumonia is an infection of the lungs where the lungs are filled with fluid or pus. Any kind of microbe like bacteria, virus or fungi can cause the disease. The disease can be life-threatening, especially in children and adults, when not treated on time. The precautions to take apart from medication are: drinking plenty of water and other healthy fluids, avoid smoking, hot or steam bath, etc.
Lungs are the most important organs of respiratory system. They are involved in the exchange of gases from the blood. The lungs are covered with numerous small alveoli or air sacs that help in increasing the surface area of the lungs. This ensures more and more exchange of gases.
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