Question

Write the characteristic feature of respiration

Answer 1

Answer:

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Explanation:

The characteristic features of the respiratory surface are :

1) thin walls

2) a moist inner surface

3) a huge combined surface area

4) a rich blood supply- each alveolus is sounded by capillaries

Answer 2

Answer:

Respiratory organ is our lungs .firstly we inhale and take oxygen and then we exhail carbon dioxide

Explanation: