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Ch.17 Key Terms

Sports Med

TermDefinition
AORTA the main artery in the body
ATRIA the upper chambers of the heart, also known as the receiving chambers
VENTRICLES the pumping chambers of the heart, located inferior to the atria
CORONARY CIRCULATION the flow of blood through the muscular tissue of the heart
PULMONARY CIRCULATION the flow of oxygen-depleted blood from the right ventricle of the heart to the lungs for reoxygenation and then on the left atrium of the heart
SYSTEMIC CIRCULATION the flow of oxygen enriched blood from the left venricle of the heart to all parts of the body (except the lungs) and the return of oxygen-depleted blood to the heart through the right atrium
ARTERIES blood vessels that carry oxygen-enriched blood away from the heart to the tissue
ALVEOLI microscopic air sacs within the lungs responsible for the exchange of oxgyen and carbon dioxide
VEINS blood vessels that carry oxygen-depleted blood to the heart
LUNGS the two organs of respiration contained within the thorax
PNEUMOTHORAX the pressence of air in the thoracic cavity resulting from the perforation of the chest wall or the visceral pleura
HEMOTHORAX blood within the pleural cavity
HYPERVENTILATION prolonged, deep, and rapid breathing, resulting in decreased levels of CO2 in the blood
FLAIL CHEST a condition in which two or more fractures on a given rib cause the chest wall to become unstable, resulting in respiratory movements of the chest opposite to those desired
Created by: Imari Wright