The blood of cockroach contains no respiratory pigment. It means that:

Question

The blood of cockroach contains no respiratory pigment. It means that: (A) Cockroach does not respire (B) Respiration is anaerobic (C) O2 goes directly into tissues by diffusion (D) O2 goes into tissue by intracellular capillary system

Tardigrade Admin · Accepted Answer

The blood of cockroach is present freely in haemocoel which is the body cavity of cockroach. It is a transparent fluid with no haemoglobin. O2 enters the haemocoel through the trachea and diffuses into the haemocoel directly.

Q. The blood of cockroach contains no respiratory pigment. It means that:

Cockroach does not respire

Respiration is anaerobic

O₂ goes directly into tissues by diffusion

O₂ goes into tissue by intracellular capillary system

The blood of cockroach is present freely in haemocoel which is the body cavity of cockroach. It is a transparent fluid with no haemoglobin. O₂ enters the haemocoel through the trachea and diffuses into the haemocoel directly.