11 Questions
What is the main function of respiration?
To take in O2 from the atmosphere and carry it to the cells for energy production
What is the main function of pulmonary ventilation?
Inflow of O2 from the atmosphere to alveoli
Where does the exchange of gases occur in the respiratory system?
Between the air in the alveoli and blood in pulmonary capillaries
What is the mechanism of inspiration?
Contraction of the diaphragm & external intercostal muscles increases the volume of thoracic cavity
What is included in the respiratory cycle?
Active inspiration and active expiration
What is the main function of pulmonary perfusion?
To reach the lungs to take in O2 and get rid of CO2
What is the function of lung surfactant?
Preventing rapid expiration and collapse of the alveoli
What are chemoreceptors responsible for in chemical regulation of respiration?
Increasing CO2 tension in arterial blood
What does surfactant do to the fluid lining the alveoli?
Decreases surface tension
What is the function of dead space in the respiratory system?
Conduction of air
What happens during exhalation?
Lungs get compressed
Test your knowledge about the respiratory system with this quiz covering the process of respiration, oxygen intake, carbon dioxide removal, and related concepts.
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