respiratory system
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| respiratory system | exchange oxygen from the air with C02 from the blood
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| nasal cavity | generally the first entrance of air into the chest cavity
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| warmed and filtered | two things which happen to the air upon entering the nasal cavity
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| mucous membrane | secretes sticky mucus that traps dust particles and other foreign substances found in the air
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| pharynx and larynx | the passageway of air after leaving the nasal cavity
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| trachea | the windpipe
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| right and left bronchi | what the trachea branches into
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| bronchus | singular for bronchi
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| bronchi | allows the air to enter the two lungs
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| thoracic cavity | houses the two lungs
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| right lung | slightly larger than the left
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| three lobes | associated with the right lung only
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| two lobes | associated with the left lung only
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| pleura | the slippery membrane covering the lungs
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| 16 breaths per minute | average number of breaths for most normal humans
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| number of alveoli | consists of about 300 million of these tiny air sacs
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| function of the alveoli | allow for the exchange of oxygen and carbon dioxide between your blood and the air
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| what happens when you inhale? | air enters the aveoli
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| oxygen's movement | from the alveoli into the surrounding blood capillaries and carried by the blood to every part of the body
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| carbon dioxide movement | from the body cells is released from the blood into the alveoli and travels up your respiratory tubes as you exhale
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| diaphram | the muscle that helps you breath by contracting to create more space in your thoracic cavity
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| phrenic nerve | signals the diaphragm muscle to contract
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Created by:
rufus webster
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