Cardiac - The type of muscle the heart is made of , Circulatory System - A system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire human body and other animals, Valve  - Prevents the backflow of blood , Vein - Carries blood to the heart, Artery - Carries blood away from the heart, Red Blood Cells (RBC) - Carries oxygen, White Blood Cells (WBC) - Fights infection, Platelets - Clot the blood , Capillaries - One cell thick, smallest blood vessel, exchange of nutrients and gases occur here, Pulse - Measurement of heart rate , Tissue - A group of cells that have similar structure and that function together as a unit., System - A group of organs that work together to carry out a particular task,

Circulatory System - Heart, Blood and Blood Vessels

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