when the diaphragm relaxes, it moves_____, compressing the lungs and pushing waste gases out. 1. outward 2. inward 3....

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Medical Sciences

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.

Answer & Explanation Solved by verified expert

3.6 Ratings (480 Votes)

1 4 Upward Explanation when the diaphragm contracts it moves downward and become flat shaped so as to increase the volume of the thoracic cavity When the diaphragm relaxes it aasumes its original dome shaped structure and move upward causing decrease in thoracic volume 2 1 as oxygen associated See Answer

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