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LEARN THIS TOPIC
QUICK CONCEPT CHECKS3 questions to check your understanding
Retake to get the other 3
Check 1 of 3
Which organ commonly exchanges gases in a fish?
Check 2 of 3
Which surface enables an earthworm to exchange gases?
Check 3 of 3
What are the openings into an insect tracheal system called?
Topic checkpoint
Not attemptedAttempt 1