Biology, asked by krish1472, 1 year ago

Division of mammalian lungs into a very large number of tiny alveoli around alveolar ducts opening into bronchioles is

Answers

Answered by aruniqwerty

0

primary ,secondary and tertiary bronchus and bronchiole

Answered by prashanthkumar120kb

1

Answer:

Explanation: an efficient system of ventilation of alveoli with little or no Residual air.

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