Question

what is functional difference between respiratory system of cockroach and human being ?

Answer 1

Answer:

Cockroach respire with the help of trachea but human being respire with the help of lungs

Answer 2

Answer:

Cockroaches can hold their breath for up to seven minutes. Their respiratory system is highly efficient but there are no lungs. Instead, the insects draw in air through external valves called spiracles and transport the air directly to the cells via tubes called trachea.