1 Pneumonia is inflammation of the airspaces in the lungs, most commonly due to an infection. 2  Pneumonia may be caused by viruses, bacteria, or fungi. 3  The most common bacterial type that causes pneumonia is Streptococcus pneumoniae. 4  Signs and symptoms of pneumonia include. 5  fever, 6  chills, 7  cough, 8  shortness of breath, 9  fatigue.
The age may vary from 15 to 18 years. There are many types of calculus. and age vary for all. primitive calculus: kids learn this type of calculus at their very beginning age of 6-7 years. linear: solving for equations , kids learn this type of calculus at the age group of 8-10 years. geomertical: at the age of 10-12 years they get expert in this type of calculus. trigonometrical: at the beginning of teen age they start to learn this type of calculus.
The word Calculus comes from Latin meaning small stone, Because it is like understanding something by looking at small pieces. Differential Calculus cuts something into small pieces to find how it changes.Integral Calculus joins (integrates) the small pieces together to find how much there is.he word Calculus comes from Latin meaning small stone, Because it is like understanding something by looking at small pieces. Differential Calculus cuts something into small pieces to find how it changes.