'For the average adult human, the capacity of these is about 3.5 liters'
the lungs
THE BODY HUMAN: For the average adult human, the capacity of these is about 3.5 liters
For the average adult human, the capacity of these is about 3.5 liters
For the average adult human, the capacity of these is about 3.5 liters
THE BODY HUMAN
the lungs
THE BODY HUMAN