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5th Grade Science Circulatory System
Terms in this set (21)
a tissue that includes plasma, red and white blood cells and platelets
beat of the heart as felt through the walls of the arteries
multi-chambered, muscular organ that pumps blood throughout the body
Flaps of tissue that open and close to allow flow of blood in one direction only. Cannot flow backwards.
blood vessels that carry blood away from the heart
blood vessels that carry blood back to the heart
the smallest blood vessels which connect the smallest arteries with the smallest veins.
White Blood Cells
a blood cell that fights disease and germs.
Red Blood Cells
They carry oxygen to the cells and carbon dioxide away from the cells.
irregularly shaped cell fragments that help clot blood
liquid portion of blood made up of water, dissolved salts, proteins, and other substances. Yellowish in color.
This chamber of the heart receives deoxygenated blood from the body
pumps blood to lungs.
Receives oxygenated blood from lungs
pumps oxygen rich blood to all parts of the body
the largest artery that carries blood directly from the heart to the rest of the body
carries deoxygentated blood from the heart to the lungs
carries oxygenated blood from the lungs to the heart
Superior Vena Cava
large vein that brings oxygen-poor blood from the upper part of the body to the right atrium
Inferior Vena Cava
carries blood from lower regions of the body to right atrium
3 Types of Blood Vessels
Arteries, Veins and Capillaries
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