Draw the respiratory system of cockroach and explain. OR Draw a diagram of stomata and explain how do plants respire.
Answers
Answer:
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Answer:
In cockroach, respiration occurs through spiracles – a small opening on the sides of its body. When air through external openings, enters into its respiratory system, spiracles serve as muscular valves paving way to the internal respiratory system. The respiratory organ of cockroach is referred to as tracheae.
The trachea is a dense array of a network of air tubes found in the internal system. Tracheae are known to balance the pressure inside the system. When oxygen-rich air enters into the body of the cockroach via spiracles into the tracheal tubes, it diffuses into various tissues and cells of the body. Here, oxygen is used up to liberate energy. Likewise, carbon-dioxide rich air passes into the trachea and moves to the outwards through the spiracles. Carbon dioxide is given out as a result of the respiratory process
