tracheae

A mechanical ventilation of the tracheae is made difficult by their structure - in many cases no respiratory movements occur - but experiments by Krogh

August Krogh - Biography 1967

Gas exchange is accomplished by book gills, book lungs, or tracheae, while waste products are excreted by coxal glands and/or Malpighian tubules.

Arthropoda 2007

When Lucas started the prequels, he said that his goal was to make it so when old fans watched the original Star Wars: A New Hope, you would feel sorry for Anakin when Darth Vader stormed through that door and started crushing tracheae.

Revenge Of The Sith: The Spoiler-Free Review, Assuming You've Seen The Trailers robsmasher 2005

This was a pretty far out idea, since blood-based gas exchange is what other arthropods use including aquatic ones but was previously thought to be completely absent in insects, which deliver air directly to their tissues via tracheae.

Pharyngula: An evolutionary prediction - The Panda's Thumb 2005

All those bulbs, pods, tentacles, fins, tracheae, nuptial plumage, and winter fur show that it has fallen behind with its halfhearted work.

Wislawa Szymborska - Poetry: On Death, without Exaggeration 1996

Quath woke panting, pods tangled, the speckling of her tracheae bulging red, yellow, red again in hasty rhythm.

Tides Of Light Benford, Gregory, 1941- 1989

Teased tracheae plumes and carapaces of steel-blue sheen exalted their wearers.

Tides Of Light Benford, Gregory, 1941- 1989

Along that glabrous form was a row of opercula protecting tracheae which, in a dense hydrogen atmosphere, aerated the organism quite efficiently.

The Earth Book of Stormgate Anderson, Poul, 1926-2001 1978

Speech was by diaphragms on either side of the skull, hearing and smell were associated with the tracheae.

The Earth Book of Stormgate Anderson, Poul, 1926-2001 1978

Analyses of the air from the tracheal tubes of the common grasshopper showed comparatively low oxygen values while the CO2 output was relatively small - probably it is given out directly through the body surface to a great extent, whereas oxygen is taken up only through the walls of the tracheae.

August Krogh - Biography 1967