Question
Question: Division of mammalian lungs into a very large number of tiny alveoli around alveolar ducts opening i...
Division of mammalian lungs into a very large number of tiny alveoli around alveolar ducts opening into bronchioles, is
A
An inefficient system of ventilation of alveoli though with very little residual air
B
An inefficient system of ventilating the alveoli resulting in very high percentage of residual air in the lungs
C
A very efficient system of ventilating the alveoli with no residual air
D
An efficient system of ventilation of alveoli with little or no residual air
Answer
An efficient system of ventilation of alveoli with little or no residual air