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chapter 16 respiratory system
passageway for air and food
the amount of air that moves in or out during a single respiration cycle
maxium amount of air a prson can exhale after taking the deepest breathe possible
nose, nasal cavity, sinuses, and pharynx
upper respiratory tract
larynx, trachea, bronchial tree, and lungs
lower respiratory tract
largest cartilage is called what also known as adams apple
inside of larynx, two pair of folds of muscle and connective tissue covered with mucous membrane make up the what?
triagluar slit that air passes through
closes the glottis off when swallowing
where does actual gas exchange take place
the movement of air in and out of the lungs
the force that moves air into the lungs
keeps the alveoli from sticking to each other
volume of air that enters and leave th elungs during one respiratory cycle
inspiratory reserve volume
additional volume that can be inhaled by forced inspiration
expiratory reserve volume
additional volume that cna be exhaled by force expiration
air remaining in bronchial tree after exhalation
control levels of oxygen in blood
carbon dioxide, oxygen, blood pH
3 things that affect breathing
only site of gas exchange between the atmosphere and the blood
alveoli are tiny sacs delivered at the distal ends of what?
98% of oxygen is carried in blood bound to what
the portions of the laynx that prevent foriegn objects from entering the trachea are the ?
the trachea is maintained in an open position by
serous membrane covering the lungs is the