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).
Components of the respiratory system. The human body needs a constant supply of oxygen to enable energy to be released. Breathing is the means by which this is done and the process is known as respiration.The respiratory system brings air (with oxygen) into the body and removes carbon dioxide from the body. Air passages.A series of air passages allow air and the oxygen it contains to be transferredto the blood stream and also remove waste products.omponents of the respiratory system. The human body needs a constant supply of oxygen to enable energy to be released. Breathing is the means by which this is done and the process is known as respiration.