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Flashcards about the thoracic cavity organs and heart functions.
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The heart pumps blood through the and .
arteries, veins
The heart has chambers: 2 and 2 __.
4, atria, ventricles
The __ is the membrane that covers the heart and helps reduce friction.
Pericardium
Lungs
Holds oxygen and carbon dioxide for gas exchange
Lungs has _ lobes
7, four in right lung and 3 in left lung
Alveoli
small sacs where gas exchange occurS
Bronchioles
branches off the trachea that led to alveoli
Trachea
defined by its cartilage rings, it is the passageway that connects the mouth to the lungs.