Respiratory surface must be preamble, thin having large surface area and good supply of?
Answer: Blood
Explanation
A respiratory surface must have a good supply of blood.
A respiratory surface needs to be thin, permeable, and have a large surface area to efficiently facilitate gas exchange.
However, the crucial aspect is the blood supply.
The proximity of blood capillaries to the respiratory surface allows for the rapid transfer of oxygen from the air to the blood and carbon dioxide from the blood to the air.
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