In 2021, the worldwide Pulmonary Function Testing System Market was worth USD 136.6 million. The market is expected to increase at a CAGR of 4.3% during the forecast period, from USD 141.8 million in 2022 to USD 190.2 million in 2029. The human respiratory system is responsible for providing oxygen to the body and eliminating carbon dioxide. The lungs are the main organs of the...