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circulatory syste

circulatory system

Cardiovascular system collection of organs including blood,heart, and blood vessels
primary function of circulatory system? transport materials to and from your body's cells
heart organ that pumps blood throughout the body
how many chambers does the heart have? 4 - 2 atria and 2 ventricles
atria upper chambers of the heart
ventricles lower chambers of the heart
septum wall between the 2 atria and the 2 ventricles
what are one-way valves for? to prevent backflow of blood
arteries move blood away from heart
pulmonary artery sends blood to lungs
aorta largest artery in body
veins carry blood back to heart
superior vena cava returns deoxygenated blood to heart from head and neck
inferior vena cava returns deoxygenated blood from abdomen and lower body to the heart
pulmonary vein returns oxygenated blood from lungs
capillaries smallest blood vessels where nutrients and wastes are exchanged between blood and cells
how thick are capillaries? 1 cell thick
Created by: moniqueasleson