Circulatory SystemCirculatory System Transports products from the Transports products from the

digestive and respiratory system to digestive and respiratory system to the cells around the bodythe cells around the body

BloodBlood PlasmaPlasma

– Fluid containing proteins, glucose, hormones, Fluid containing proteins, glucose, hormones, gases, and watergases, and water

Red Blood CellsRed Blood Cells– Carry oxygen with a chemical called Carry oxygen with a chemical called

hemoglobinhemoglobin White Blood CellsWhite Blood Cells

– Fight infection by attacking disease causing Fight infection by attacking disease causing organismsorganisms

PlateletsPlatelets– Large cell fragments that form blood clotsLarge cell fragments that form blood clots

Heart Heart Pushes blood throughout the Pushes blood throughout the

circulatory systemcirculatory system Four ChambersFour Chambers

– Right AtriumRight Atrium– Right VentricleRight Ventricle– Left AtriumLeft Atrium– Left VentricleLeft Ventricle

Blood VesselsBlood Vessels Tube like structures that carry blood Tube like structures that carry blood

around the bodyaround the body ArteriesArteries

– Carry blood away from the heartCarry blood away from the heart VeinsVeins

– Carry blood to the heartCarry blood to the heart CapillariesCapillaries

– Connect arteries and veinsConnect arteries and veins– Material exchangeMaterial exchange

Blood PressureBlood Pressure Pulmonary system Pulmonary system

– Moves blood to lungsMoves blood to lungs Systemic SystemSystemic System

– Moves blood to bodyMoves blood to body Blood PressureBlood Pressure

– The pressure exerted on blood vessels The pressure exerted on blood vessels – SphygmomanometerSphygmomanometer– 11stst number refers to pressure when heart number refers to pressure when heart

contractscontracts– 22ndnd number pressure when heart relaxes and number pressure when heart relaxes and

receives blood from veinsreceives blood from veins

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