Respiratory System
The main function of the respiratory system is to replenish oxygen and excrete carbon dioxide from blood. The Lungs are the primary organ in respiration with a total surface area approximately equal to the size of a tennis court.
The main function of the respiratory system is to replenish oxygen and excrete carbon dioxide from blood. The Lungs are the primary organ in respiration with a total surface area approximately equal to the size of a tennis court.
