DeLov5epapaynapo DeLov5epapaynapo

14-09-2016
Biology

contestada

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

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oopsydaisy oopsydaisy

16-09-2016

Most insects have small holes in the exoskeleton called spiracles, which open and close to regulate the air flow. The holes lead to the trachea. The correct answer is C, spiracles.

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hg154876 hg154876

25-05-2022

Answer:

Spiracles

Explanation:

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