Respiration in insects is direct due to exchange of gases
A. Directly with the air outside through body surface
B. By tracheal tubes directly with haemocoel which then exchange with tissues.
C. Directly with coelomic fluid
D. Directly with the air in tubes
Answer:B
Respiration in insects is direct due to exchange of gases
A. Directly with the air outside through body surface B. By tracheal tubes directly with haemocoel which then exchange with tissues. C. Directly with coelomic fluid D. Directly with the air in tubes