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 | takes in oxygen from the air you breathe; exchange gases between air and blood
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| respiration | process of breathing in oxygen and breathing out carbon dioxide
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| oxygen | taken into your blood and used by your entire body
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| carbon dioxide | leaves your blood through the thin walls of tiny structures in your lungs; then removed from body
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| air | what we breathe; gases around us
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| autonomic | carries out the activities of our body without thinking
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| contract | moves down allowing more air to enter the lungs
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| exhale | take out or remove gases
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| expand | when we breath, our lungs get bigger (blow up like a balloon)
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| inhale | take in gases
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| lungs | main structure of the respiratory system; contain alveoli; oxygen moves from here into the blood and carbon dioxide moves from the blood into the alveoli; carbon dioxide leaves the lungs through nose/mouth
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| mouth/nose | when you breath in air (oxygen) may enter your body through one of these two; mostly carbon dioxide exits here
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| pharynx | tube extending from the back of the nasal cavity and mouth to the esophagus that is the passage through which air passes to the larynx
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| red blood cell | solid part of blood that has hemoglobin which carries oxygen around in the body
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| trachea | (wind pipe); air passes from your throat through here before entering your lungs
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| vocal cords | stretch over the larynx; when air passes through they begin to vibrate; these vibrations, along with the movements of the tongue and lips produces sounds, enabling speech
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| diaphragm | thin sheet lies below the lungs; tighten and relax to make you breath in and out
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| alveoli | tiny sacs in the lungs covered with capillaries
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| larynx | upper part of the trachea that contains the vocal cords (voice box)
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| bronchi | after the trachea, gases travel into these two "branches" (one for each lung)
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| bronchioles | lead gases into the lungs (look like roots for a plant)
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Created by:
crstone
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