GFive four characteristics of all respiratory system
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The Characteristics of a Respiratory Surface are :
thin walls.
a moist inner surface.
a huge combined surface area.
a rich blood supply- each alveolus is sounded by capillaries.
thin walls.
a moist inner surface.
a huge combined surface area.
a rich blood supply- each alveolus is sounded by capillaries.
Answered by
2
I hope it is the answer
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