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blood type of connectice tissue made up of cells and liquid heart multi chambered muscular organ capillaries microscopic blood vessels arteries bloowd flow from the heart to the capillaries through a system of thick walled blood vessels called ____ veins blood returns from the capillaries to the heart through vessels called ___ lymph once inside the lymphatic vessels, this collected fluid is called ____ pulmonary circuit carries oxygen depleted blood from heart to the lungs and oxygen rich blood back to the heart systemic circuit carries oxygen rich blood from the heart to the rest of body and oxygen depletedblood back to the heart aorta artery that supplies oxygen rich blood too all of the body atria 2 upper chambers that recieve blood returning to the heart ventricles pump blood out of the heart valves flaps of tissue in the heart pacemaker specific region of your heart muscle that sets the rate at which your heart contracts AV node impulses then spread to a region of the heart called ___ systolic pressure highest recorded pressure in an artery when the ventricles contract diastolic pressrue second number, the lowest recorded pressure in an artery during the relaxation phase of the heartbeat plasma fifty five percent of the volume of blood is a solution called ___ red blood cells carry oxygen from the lungs to all the tissues of the body hemoglobin protein that temporarily stores oxygen for delivery to the cells white blood cells also called leukocytes, have nuclei and mitochondria nad are responsible for fighting infection and preventing the growth of cancer platelets small fragments of blood cells that orginate in blood marrow plaque patchwork of cholesterol, calcium, and fat deposits cardiovascular disesase illness of the heart and or blood vessels atherosclerosis narrowing of the arteries heart attack blood clot arteriosclerosis advanced stage of plaque buildup hypertension high blood pressure stroke damage to b rain tissue resulting from blocked blood flow pharynx the throat where air passes into epiglottis covers the air pathway and prevents water of food from entering larynx air passes through the voice box or ___ trachea windpipe that air passes into bronchi tracheaz forks into 2 ____, air tubes that connect trachea to the lungs lungs consist of sponge like tissue bronchioles within each lung, the bonchus branches repeadltley into finer and finer tubes called___ alveoli each bronchiole ends in grapelike clusters of tiny air sacs called ____ diaphragm sheet of muscle emphysema disease that can develop when tobacco smoek casuse the walls of the alveoli to lose their elasticity