Arteries - blood vessels that carry blood away from the heart, Veins - Carry blood back to the heart, Capillaries - tiny blood vessels that allow the exchange of oxygen between the blood and the body cells, Heart - a hollow muscular organ that pumps blood throughout the body, circulatory system - consists of heart, blood vessels and blood, circulation - transport of materials in living things, blood vessel - any tube that carries blood, plasma - liquid part of the blood, composed mostly of water, blood cells - the solid part of the blood, red blood cells - contains hemoglobin and makes blood red. Carries oxygen to all parts of the body, white blood cells - a blood cell that fights disease and infection, platelets - A cell fragment that aids to stop bleeding and clots blood, lungs - where the blood picks up oxygen, atrium - upper chambers of the heart that receives blood that comes into the heart, ventricles - lower chambers of the heart, pumps blood out of the heart, Right atrium - receives blood from all parts of the body. Blood that comes in is high in CO2 and low in Oxygen, Left atrium - receives blood from the lungs, high in oxygen, low in CO2, valves - a flap of tissue in the heart that prevents blood from flowing backwards, septum - a muscular wall that divides the right side of the heart from the left side, cardiovascular system - AKA- circulatory system. The body system that consists of the heart, blood vessels and blood, pacemaker - sends out signals that adjusts the speed of the heart beat, Aorta - largest artery in the body. receives blood from the left ventricle, lymphatic system - network of vein like vessels that returns fluid to the blood stream, lymph - the fluid that lymphatic system collects and returns to the blood stream, diffusion - one process in which materials are exchanged between the blood and the body's cells, blood pressure - the pressure that blood exerts against the walls of the blood vessels, sphygmomanometer - instrument used to measure blood pressure, heart attack - when blood flow is cut off to a portion of the heart, cholesterol - waxy fat like substance that restrict blood flow in the arteries, pulse - the alternating expansion and relaxation of an artery wall as blood travels through an artery,

Circulatory System

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