Respiration in insects is called direct because

Question:

Respiration in insects is called direct because

a. The cell exchange O2/ CO2 directly with the air in the tubes

b. The tissues exchange O2/ CO2 directly with coelomic fluid

c. The tissues exchange O2/ CO2 directly with the air outside through

body surface

d. Tracheal tubes exchange O2/ CO2 directly with the haemocoel which

then exchange with tissues

Solution:

Option (d) Tracheal tubes exchange O2/ CO2 directly with the haemocoel which

then exchange with tissues is the answer.

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