Question

Describe respiration in cockroach.​

Answer 1

Answer:

A cockroach has small openings on the side of its body. These openings are called spiracles. Insects have a network of air tubes called tracheae for gas exchange. Oxygen rich air rushes through spiracles into the tracheal tubes, diffuses into the body tissues and reaches every cell of the body. Similarly, carbon dioxide from the cells goes into the tracheal tubes and moves out through spiracles. These air tubes or tracheae are found only in insects.

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Answer 2

• On the side of its body, a cockroach possesses little holes. Spiracles are the term for these apertures.
• For gas exchange, insects use a system of air tubes called tracheae.
• Oxygen-rich air rushes into the tracheal tubes through spiracles, diffuses throughout the human tissues, and reaches every cell of the body.
• Carbon dioxide from the cells enters the tracheal tubes and exits through spiracles in a similar fashion.
• Only insects have these air passages, also called tracheae.