Cockroach blood does not contain respiratory pigment. It means [RPMT 1 – McqOptions

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1.	Cockroach blood does not contain respiratory pigment. It means [RPMT 1996; AFMC 1998]
A.	It does not respire
B.	Cockroach respires anaerobically
C.	Oxygen passes to all the tissues through diffusion
D.	Oxygen reaches tissue through tracheoles
Answer» E.

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