when the diaphragm relaxes, it moves_____, compressingthe lungs and pushing waste gases out.
1. outward
2. inward
3. downward
4. upward
2. How does the vast majority of oxygen travel in theblood?
1. as oxygen associated with hemoglobin
2. as bicarbonate
3. as dissolved oxygen in the plasma
4. as carbaminohemoglobin
3. what occurs when air moves from the atmosphere ofhigh pressure into the lower pressure of the lungs?
1. gas exchange
2. exhalation
3. expiration
4. inspiration
4. in your own words, describe the process ofinspiration
5. In pneumonia, fluid collects in the alveoli. Whatconclusion can you draw regarding the efficiency of gas exchange inthis state?
6. for a person who has or is currentlyhyperventilating, why does breathing into a paper bag restorenormal blood chemistry more rapidly than continued breathing intothe atmosphere?
7. identify the separate volumes that make up thetotal lung capacity.