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21 Cards in this Set
- Front
- Back
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EPIGLOTTIS
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flap at the top of the trachea that closes when you swallow preventing food from getting into your trachea.
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RESPIRATORY SYSTEM
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group of organs that takes in oxygen to the blood removes wastes (carbon dioxide)from the blood and expels the wastes from the body
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WHAT MUST HAVE OXYGEN IN ORDER TO WORK?
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CELLS
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LARYNX
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the voice box which contains your vocal cords
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Pleura
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very thin membrane covering each lung
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What do the hairs and mucus in the nose and throat accomplish when we inhale?
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catches dust & germs
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Where does air travel after it is taken into the mouth?
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Pharynx
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What happens to your ribs when you inhale?
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Expands
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What does the diaphram do when you inhale?
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expands downward
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What happens to the volume of your chest cavity when he inhales?
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gets larger allowing the lungs to fill with air
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How does oxygen that we breath in with the air get into our blood?
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alveoli to the cappillaries
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What does the epiglottis do when you inhale?
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OPENS
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How does the carbon dioxide get out of the bloodstream back into our lungs to be breathed out?
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cappillaries send it back to the alvoli
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What path does the air with wastes follow to leave our body?
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alveoli
bronchioles bronchi trachea pharynx (throat) out mouth |
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What happens to our ribs when we exhale?
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contract
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What does the diaphragm do when we exhale?
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Pushes up
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What happens to the volume of our chest cavity when we inhale?
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DECREASES
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What gas is removed from inhaled air?
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OXYGEN
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which gas has the greatest difference in percent between inhaled and exhaled air?
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Oxygen
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INHALED %
OXYGEN= CARBON DIOXIDE= WATER= |
O2=20.71%
CO2=0.04% H20=1.25% |
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EXHALED %
OXYGEN= CARBON DIOXIDE= |
O2=14.6
CO2=4.0 H20=5.9 |
