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Most insects have small holes in the exoskeleton called _____, which open and close to regulate air flow. bronchi alveoli spiracles trachea

2 Answers

6 votes
the answer to your question is spiracles
answered
User Pwdr
by
8.1k points
3 votes
[] Question #7


Most insects have small holes in the exoskeleton called _____, which open and close to regulate air flow.
bronchi
alveoli
>> spiracles
trachea
answered
User Tomalec
by
8.0k points
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