Review.  1 Professor Hofstadter has written a superb book ... The Age of Reform entitles Hofstadter to rank with C. Vann Woodward as a master of creative synthesis, as an interpreter of the past who can add to cold data an emphatic insight that transforms history from a book of the dead into a chronicle of life.-- American Political Science Review.
Ventilation systems. All multicellular organisms have mechanisms for drawing oxygen-rich air (or water) into their bodies and removing carbon dioxide-rich air (or water).A closer look at insect breathing systems makes it easier to appreciate the functions of the more familiar human ventilation system.entilation systems. All multicellular organisms have mechanisms for drawing oxygen-rich air (or water) into their bodies and removing carbon dioxide-rich air (or water).
In Blood. The respiratory system brings in atmospheric air, which is ~21% oxygen, and allows the oxygen to diffuse into the blood stream. This is also where carbon dioxide from the body â¦ is allowed to diffuse out of the blood stream into the lungs where it is then expelled back into the atmosphere.3 people found this useful.n Blood. The respiratory system brings in atmospheric air, which is ~21% oxygen, and allows the oxygen to diffuse into the blood stream. This is also where carbon dioxide from the body â¦ is allowed to diffuse out of the blood stream into the lungs where it is then expelled back into the atmosphere.