The doctor will examine the patient's chest in order to determine the rate and depth of breathing, the effort required, the condition of the patient's breathing muscles, and any evidence of chest deformities or trauma. He or she will listen for wheezing, stridor, or signs of fluid in the lungs.
the International System of Units (abbreviated SI from the French SystÃ¨me international d'unitÃ©s) is the modern form of the metric system and is generally a system of units of measurement devised around seven base units and the convenience of the number ten.
In the SI (International System of Units) system of measurement, the base unit for measuring length is the meter (symbol m).