from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The integrated system of organs involved in the intake and exchange of oxygen and carbon dioxide between an organism and the environment.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The system of organs serving for respiration.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing
Sorry, no etymologies found.
In the middle is an adenovirus, which infects the respiratory system in many animals, including us.
It kicks your respiratory system into overdrive which makes you breathe deep and adds oxygen to your blood, which nourishes all your organs and tissues.