oxygen
Hydrogen is an element with atomic number 1 and the symbol H. Hydrogen has many characteristics that make the element special. Characteristics of hydrogen Hydrogen is the only element that has no neutrons. Basically, this element is a colorless gas and when extreme pressure is applied it turns into liquid form. Among all elements, Hydrogen
The lungs are among the most complex structures of the body. They form the important organ of the respiratory system. Though we expose them to smog, dust, industrial fumes, even cramp them with poor posture, they nevertheless carry on their task trouble-free. All that the lungs need to carry on respiration activity is hot,