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Heart & Blood, 7

QuestionAnswer
Why is the heart considered a double pump? The heart is considered a double pump because the left side of the heart receives oxygentated blood from the lungs and sends it out to the body, and the right side of the heart sends blood with high levels of carbon dioxide waste to the lungs.
Septum The muscular wall that separates the right side of the heart from the left side.
Right Atrium This upper chamber receives blood with high levels of carbon dioxide and pumps it into the ventricle below it.
Right Ventricle Lower chamber of the heart that pumps blood with carbon dioxide out into the pulmonary arteries.
Pulmonary Arteries The artery that carries blood with carbon dioxide to the lungs. It is the only artery that carries blood with a low level of oxygen
Pulmonary Veins Veins that carry blood back to the heart from the lungs. The blood has high levels of oxygen and is being sent to the left atrium. It is the only vein that carries blood with high levels of oxygen.
Left Atrium The upper chamber of the heart that receives oxygenated blood from the pulmonary veins. Blood is pumped from here into the ventricle.
Left Ventricle Blood is pumped from here into the aorta and then out to the body. This blood has high levels of oxygen in it.
Arteries The type of blood vessels that carries blood away from the heart. All but the pulmonary arteries carry blood with high levels of oxygen.
Veins The type of blood vessels that carries blood to the heart. All but the pulmonary veins carry blood with high levels of carbon dioxide.
Capillaries The blood vessels that connect the arteries with the veins. They are very tiny (sometimes only one red blood cell wide) and thin. This is where the oxygen & nutrients diffuse out into the cells and waste diffuses through into the blood.
Red Blood Cells The part of the blood that delivers oxygen around the body. Also called erythrocytes.
White Blood Cells The part of the blood responsible for fighting infections, viruses and germs in the body. Also called leukocytes.
Platelets The part of the blood that form a type of net to stop bleeding.
Plasma The liquid part of blood in which all of the other parts flow.
Created by: sallydavids
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