Respiration in Organisms — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceRespiration in Organisms2 Marks
Question
Explain respiration in insects.
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Answer
A cockroach has a small opening on the side of its body, these openings are called spiracles. Oxygen rich air rushes through spiracles into the tracheal tubes diffuses into the body tissue and reaches every cell of body. In the same way carbon dioxide from the cells goes into the tracheal tube and moves out through spiracles.
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