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19 Cards in this Set
- Front
- Back
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atrium
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upper chamber which receives blood
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ventricle
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lower chamber pumps blood out of heart
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pulmonary circulation
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pathway of circulation between heart and lungs
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systemic circulation
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pathway of circulation between heart and rest of body except lungs
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valves
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flaps of connective tissue between atria & ventricles
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aorta
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blood vessel that carries blood on trip through entire body
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3 blood vessels
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arteries
capillaries veins |
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arteries
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large vessels that carry blood from from heart to tissues of body
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capillaries
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brings nutrients and oxygen to tissues and absorbs waste products from them
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veins
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returns blood to heart
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red blood cells
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transport oxygen
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whit blood cells
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"army" guard against infections
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human respiratory system
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to bring the exchange of oxygen and carbon dioxide between blood, air and tissues
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pharynx
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serves as a passageway for air and food
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trachea
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from pharynx; windpipe
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epiglottis
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flap of tissue covers entrance to trachea when swallow
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larynx
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*top of trachea
two highly elastic folds --> vocal cords |
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bronchi
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from larynx air passes through trachea into chest called bronchus; leads into lungs
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alveoli
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tiny air sacs at end of lungs; bunches in groups
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