Concept
Version 6
Created by Boundless
Skin, Gills, and Tracheal Systems
Insect respiration
Insects perform respiration via a tracheal system, in which openings called spiracles allow oxygen to pass into the body.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Systems of Gas Exchange. October 17, 2013."
http://cnx.org/content/m44792/latest/Figure_39_01_05.jpg
OpenStax CNX
CC BY 3.0.