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motikmotik
3 years ago
11

i. what is a respiratory surface? ii. state two features of respiratory surface which all respiratory structures must have.​

Biology
1 answer:
lubasha [3.4K]3 years ago
3 0

Answer:

Respiratory surface is an area of respiratory system which is responsible for the exchange of gases. In humans, alveoli is the respiratory surface.

Following are the two features of respiratory surface.

1) Respiratory surface must have moist surface which helps in the absorption of oxygen molecules.

2) Respiratory surface must have thin walls.

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