PE cardiovascular system glossary 0.0 / 5 ? Physical EducationAnatomy & physiologyASAQA Created by: Josh98Created on: 12-03-15 10:46 Arteriole & Arteries Blood vessels that carry blood away from the heart and supply the body's tissues and organs with oxygenated blood 1 of 36 Atrial diastole Relaxation of the Atrium 2 of 36 Atrial systole Contraction of the Atrium 3 of 36 Atrioventricular valves (Bicuspid & Tricuspid) These are found in the heart, blood blood builds pressure in the Atrium and then ejaculates into the Ventrical 4 of 36 AV Node Pauses the the heart beat to allow the atrium to fill with blood 5 of 36 Blood pressure The pressure at which the blood is flowing depending on the amount of cholesterol in the veins and arteries. 6 of 36 Blood Redistribution Blood being redistributed to the muscles which need the oxygen in exercise due to the closing of Pre Capillary Sphincters 7 of 36 Bundle of HIS Causes electrical impulses to allow the Ventricles to contract 8 of 36 Capillary Sites of internal respiration, also blood vessels which allow blood to flow around the body 9 of 36 Capillary Bed A bundle of Capillary's 10 of 36 Cardiac Control Centre (CCC) Located in the Medulla Oblongata, sends impulses to the heart to allow it to beat 11 of 36 Cardiac Cycle Everything that happens in one beat 12 of 36 Cardiac Hypertrophy Gain in heart size 13 of 36 Cardiac Output SVxHR=CO 14 of 36 Diastole Relaxation 15 of 36 Diastolic pressure Pressure at atrial relaxation 16 of 36 Heart Rate (HR) Amount of beats per minute 17 of 36 Muscle Pump One of the venous return mechanisms, muscles push against the veins which increases the pressure and therefore pushes the blood along the veins 18 of 36 Myogenic The heart contracts on its own 19 of 36 Pocket valves Located in the veins, allows the blood to go through the valve but not go backwards 20 of 36 Pre Capillary Sphincter Located at the start of a capillary, closes up during blood redistribution if the muscle dosent need as much oxygen as others 21 of 36 Purkinje Fibres Transports the wave of depolarisation around the heart 22 of 36 Pulmonary circulation Circulation to the lungs and back to the heart 23 of 36 Respiratory Pump Chest cavity increases in size and increases the pressure causing the blood to move along the vein 24 of 36 SA Node Pacemaker of the heart 25 of 36 Semi-Lunar valves Atrial and Pulmonary valves which push blood out of the heart 26 of 36 Stroke Volume Amount of blood pumped per beat 27 of 36 Systemic Circulation Circulation to the rest of the body and back 28 of 36 Systole Contraction 29 of 36 Systolic Pressure Pressure of the Atrium when contracting 30 of 36 Vascular Shunt Distribution to the parts of the body that need blood 31 of 36 Vasoconstriction The constriction of the veins 32 of 36 Vasodilation The relaxation of the veins 33 of 36 Venous return Return of the blood to the heart 34 of 36 Ventricular diastole Relaxation of the ventricles 35 of 36 Ventricular systole Contraction of the ventricals 36 of 36
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