Transport systems in mammals - key words 0.0 / 5 ? BiologyCellular processesA2/A-levelOCR Created by: CamillaCumminsCreated on: 15-02-17 10:03 Closed circulation Blood flows within vessels 1 of 16 Open circulation Blood flows freely round the body 2 of 16 Single circulation Blood only passes through the heart once each circulation of the body 3 of 16 Double circulation The blood passes through the heart twice every circulation 4 of 16 Tachycardia An abnormally rapid heart beat 5 of 16 Bradycardia An abnormally slow heart beat 6 of 16 Fibrillation A muscular twitching involving individual muscles fibres acting without coordination 7 of 16 Ectopic heart beat Small changes in the heart beat, can lead to an extra beat or a skipped beat, mostly harmless 8 of 16 Red blood cells (erythrocytes) Transport oxygen round the body 9 of 16 Haemoglobin Combines with oxygen to create oxyhaemaglobin in order to transport oxygen round the body 10 of 16 White blood cells Make up the bodies immune system, two main groups: phagocytes and lymphocytes 11 of 16 Phagocytes Destroy microorganisms by phagocytosis 12 of 16 Lymphocytes Destroy microorganisms by producing antibodies 13 of 16 Electrocardiogram Trace graph which shows the electrical activity of the heart 14 of 16 Respiration equation Oxygen + Glucose = Carbon Dioxide + Water + Energy 15 of 16 Tissue Fluid Derives from the blood plasma that surrounds the cells in a tissue 16 of 16
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