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The Circulatory Syst

the heart

QuestionAnswer
carries blood away from the heart; generally, carries oxygen rich blood except pulmonary arteries arteries
carries blood towards heart; contains valves which are flaps of tissue that only open one way to regulate blood flow veins
connects arteries and veins; smallest blood vessels; located next to cells exchange nutrients and waste products occur capillaries
carries nutrients, hormones and gasses that moves through the circulatory system blood
44% of blood is red blood cells; red blood cells; disc-shaped that holds hemoglobin;delivers oxygen and hemoglobin erythrocytes
1% of blood; white blood cells; larger than red blood cells; migrates from lymphatic system to rid the body of antigens through phagocytosis leukocytes
1% of blood; platelets; cell fragments that don't have a nucleus; helps blood to clot; thrombocytes
the biochemical process that floors a blood clot coagulation
55% of blood ; yellow fluid; liquid portion of blood that holds blood cells; main part of blood plasma
chambers through which blood enters the heart atria
chambers of the heart from which blood is pumped ventricles
large vein that carries blood from the upper body into the right atrium( oxygen poor) superior vena cava
the large vein that carries blood from the lower body into the right atrium inferior vena cava
arteries that carry oxygen poor blood from the right ventricle to the lungs pulmonary arteries
the veins that carry oxygen rich blood from the lungs to the left atrium pulmonary veins
flaps of tissue that keep blood flowing one direction valves
bicuspid, tricuspid, pulmonary valve and aortic valve 4 valves of the heart
the large artery that carries oxygenated/oxygen rich blood from the left ventricle aorta
the muscular wall that separates the heart into right and left sides; it prevents the mixing of oxygen rich and oxygen poor blood septum
strong double walled sack that closes and protects the heart pericardium
thickest middle part of the heart wall made of contractile tissue that pumps the blood myocardium
flow of blood from the heart to the lungs and back(right side) pulmonary circulation
flow of blood from the heart to all parts of the body and back systemic circulation
located in the right atrium; sets the pace of the entire heart; natural pacemaker; makes the heart contract sinoatrial node
Created by: mcatoe
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