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Circulatory System Vocabulary FOLDABLE BLOOD • A tissue made of plasma, red and white blood cells and platelets; carries nutrients to all parts of your body blood vessel • hollow tubes that transport blood throughout the body; there are 3 kind-veins, arteries & capillaries PLASMA • The liquid part of blood made mostly of water RED BLOOD CELLS • Supply your body with oxygen WHITE BLOOD CELLS • Blood cells that fight infection PLATELETS • Irregularly shaped cell fragments that help clot blood CLOT • Plug that stops bleeding or clogs a wounded blood vessel, forms a scab and skin cells repair themselves underneath HEMOGLOBIN • Chemical in red blood cells that carries oxygen from lungs to body; and carbon dioxide from body back to lungs BLOOD TYPE • Classification of blood based on the presence or absence of a certain substance • A, AB,B, O CIRCULATION • Transportation of blood and nutrients through the body HEART • An organ made of cardiac muscle tissue, responsible for pumping blood ATRIUM • Two upper chambers of the heart VENTRICLE • Two lower chambers of the heart VALVE • Prevent blood from flowing backwards….usually found in veins, also found between the atrium and ventricle AORTA • blood vessel in which the blood leaves the heart to go to all parts of your body VENA CAVA • Two veins that bring blood back to the heart from your body • Superior Vena Cava-brings blood from upper body • Inferior Vena Cava-brings blood from lower body PULMONARY ARTERY • Carries blood from heart to lungs; only artery to carry oxygen poor blood PULMONARY VEIN • Carries blood from lungs to heart; only vein to carry oxygen rich blood VEIN • Blood vessels that carry blood to the heart; usually carry oxygen poor blood (blue) ARTERY • Blood vessels that carry blood away from heart; usually carry oxygen rich blood (red) CAPILLARY • Microscopic blood vessels that connect arteries and veins YOUR HEART