B1- Fitness and Health 0.0 / 5 ? BiologyFitness and HealthGCSEOCR Created by: shanazBegumCreated on: 28-03-16 20:27 What does the Circulatory System do? It carries oxygen and glucose around the body to all of the cells, so that energy can be released through aerobic respiration. 1 of 10 How does the heart react when it fills with blood? It relaxes. 2 of 10 How does the heart react when it squeezes blood out into the arteries? it relaxes. 3 of 10 What is blood pressure measured in? mm HG (millimetres of mercury) 4 of 10 What is Systolic? Systolic is the first nmber it represents the perssure when your heart contracts. 5 of 10 What is Diastolic? is the second number which represents the pressure when your heart relaxes. 6 of 10 What is the normal Blood Pressure? 120/80mm Hg 7 of 10 Three factors which effect blood pressure. Excess Weight- Circulatory system has to work harder. High Stress Levels and Excess Alcohol. 8 of 10 Causes of heart Disease High Blood Pressure. Smoking. Too much salt 9 of 10 Definition of Health Being healthy Means being able to do physical activities without being tired. 10 of 10
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