Question

Cockroach blood does not contain respiratory pigment it means

Answer 1

Cockroach doesn't contain the hemoglobin pigment which helps in the transport of oxygen to the parts of the body through blood(RBC).

Answer 2

Answer:

Explanation:

The blood of cockroach contains no respiratory pigment. It means that: ... cockroach does not respire. C) oxygen goes directly into tissues by diffusion.