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dgangell Circulatory

QuestionAnswer
Blood fluid connective tissue of the circulatory system; consists of blood cells and plasma
Heart multi-chambered, muscular organ that pumps blood throughout the body
Capillary microscopic blood vessel that carries blood between an artery and a vein, allowing the exchange of substances between the blood and interstitial fluid
Artery vessel that carries blood away from the heart to other parts of the body
Vein vessel that returns blood to the heart
Lymph fluid similar to interstitial fluid that circulates in the lymphatic system
Pulmonary Circuit Circuit of blood flow that carries blood between the heart and lungs
Systemic Circuit circuit of blood flow that carries blood between the heart and the rest of the body
Aorta artery that carries blood directly from the heart to the rest of the body
Atrium heart chamber that receives blood returning to the heart from other parts of the body
Ventricle Heart chamber that pumps blood out of the heart
Valve flap of tissue in the heart that prevents blood from flowing in the wrong direction
Pacemaker specific region of heart that sets the rate at which the heart contracts
AV node (atrioventricular node) region of the heart between the right atrium and right ventricle from which electrical impulses spread to the ventricles during a heartbeat
Systolic Pressure first number of a blood pressure reading; measures the pressure on artery walls when heart ventricles contract
Diastolic Pressure Second number of a blood pressure reading; measurement of the pressure on artery walls when the heart is relaxed
Plasma liquid portion of blood made up of water, dissolved salts, proteins, and other substances
Red blood cell blood cell containing hemoglobin, which transports oxygen; also called an erythrocyte
Hemoglobin iron-containing protein in red blood cells that carries oxygen for delivery to cells
White blood cell blood cell that functions in defending the body against infections and cancer cells; also called a leukocyte
Platelet fragment of a blood cell originating in the bone marrow that is involved in blood clotting
Created by: 2016gangelld
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