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The heart
The circularoty system
Question | Answer |
---|---|
blood vessel that carries blood back to the heart | vein |
smooth layer of cells lining the inside of the heart | endocardium |
valve between the right ventricle and pulmonary artery | pulmonary valve |
upper chamber of the heart | atrium |
valve between the left ventricle and aorta | aortic valve |
muscular middle layer of the heart | myocardium |
blood cell that carried oxygen and carbon dioxide | erythrocyte |
breif period of rest in the heart | diastole |
fluid portion of blood | plasma |
double layerd membrane on the outside of the heart | pericardium |
blood vessel that connects arterioles with venuels | capillaries |
valve between the left artium and left ventricle | mitralvalve |
blood cell that helps fight infection | leukocyte |
bloodcell required for the clotting process | thrombocyte |
blood vessel that carries blood away from the heart | arteri |
period of ventricular contraction in the heart | systole |
muscular wall that seperates the heart into the right and left side | septum |
complex protein on red blood cells | hemoglobin |
tissue that flows through the circulatory system | blood |
lower chamber of the heart | ventricle |