MadSci FAQ: The lungs

Lung questions

• Questions about the lungs.
• What are the parts and functions of the respiratory system?
• Why are the left and right lungs two different sizes?
• How much pressure can be generated by the lungs?
• How much oxygen do my lungs absorb?
• How many gallons of air does the human body inhale in one day?
• Why do air sacs and capillaries have very thin walls?
• What causes a person to have his "breath knocked out of him?"
• What causes phlegm?
• What are the long-term effects of smoking?