AP Biology 2005-2006 Chapter 42. Gas Exchange gills alveoli elephant seals.
AP Biology 2008-2009 gills alveoli elephant seals Gas Exchange Respiratory Systems.
Toxicological agents & chemicals Chapter 2.2. Petar Bulat, MD, PhD, University of Belgrade 9/9/2012.
Take in oxygen Get rid of carbon dioxide Helps with smelling Filters air that is inhaled Produces sounds Rids the body of some water and heat in exhaled.
Bird respiration Respiratory structures of birds differ from mammals Birds distinguished by presence of several large thin- walled air sacs And air spaces.
