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key term

circulatory system

circulatory system(cardiovascular system) referred to as the trasnsportation system of the body.consist:the heart;blood vessels,and blood.trasport oxygen and nutrient to the cells
endocardium smooth layer of cell,the inside of the heart,and inside of blood vessels
myocardium muscular middle layer(the thichest layer)
pericardium double-layer membrane,or sac,covers the heart
septum muscular wall separates the heart into the right side and the left side
right atrium receives blood as the returns from the body cell
right vertricle receives blood from right atrium and pumps the blood into pulmonary artery(lungs for oxygen)
left atrium receives oxygenated blood from the lungs
left vertricle receives blood from the left atrium and pumps the blood into the aorta for transport to the cell
tricuspid valve (right atrioventricular valve) is on the right side of the heart, between the right atrium and the right ventricle and has three leaflets and three papillary muscles.
aortic valve is a tricuspid (with three leaflets)It lies between the left ventricle and the aorta.
Arteries blood vessels that carry blood away from the heart.
blood capillaries are the smallest of a body's blood vessels.
Diastole period during which the ventricles are relaxing.
erythrocytes are Red blood cells type of blood cell and the vertebrate organism's principal means of delivering oxygen to the body tissues via the blood flow through the circulatory system.(bind oxygen and is responsible for the blood's red color)
Hemoglobin. iron-containing oxygen-transport metalloprotein in the red blood cells
leukocytes Is also White blood cellsare; cells of the immune system defending the body against both infectious disease and foreign materials
plasma is the yellow liquid component of blood, in which the blood cells in whole blood would normally be suspended.It is the intravascular fluid part of extracellular fluid.
pulmonary valve. is the semilunar valve of the heart that lies between the right ventricle and the pulmonary artery and has three cusps;opens in ventricular systole, when the pressure in the right ventricle rises above the pressure in the pulmonary artery.
Systole is a phase of the cardiac cycle where the myocardium is contracting in a coordinated manner in response to an endogenous electrical stimulus, and pressure is being generated within the chambers of the heart driving blood flow.
Thrombocytes. are cells that play a key role in blood clotting.
veins blood vessels that carry blood towards the heart.Most veins carry deoxygenated blood from the tissues back to the lungs
Created by: judith_2