Question
A cockroach has small openings on the sides of its body called _______.
Answer: Option B
:
B
Cockroach has small openings on the sides of its body called spiracles. Oxygen rich air rushes through the spiracles into the tracheal tubes. It then diffuses into the body tissue and reaches all the cells of the body. Carbon dioxide from the cells goes into the tracheal tubes and ultimately moves out through the spiracles.
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:
B
Cockroach has small openings on the sides of its body called spiracles. Oxygen rich air rushes through the spiracles into the tracheal tubes. It then diffuses into the body tissue and reaches all the cells of the body. Carbon dioxide from the cells goes into the tracheal tubes and ultimately moves out through the spiracles.
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