B2 - Exercise (heart rate and breathing rate) 0.0 / 5 ? BiologyRespiration and exerciseGCSEEdexcel Created by: kat-yCreated on: 29-10-16 20:06 Heart rate is measured by... Taking the pulse at the wrist 1 of 13 How is heart rate usually measured as? Beats per minute 2 of 13 Breathing rate is measured by... Counting the number of beats in ONE MINUTE 3 of 13 Why should several measurements be taken of the heart and breathing rate? Because the results vary. When multiple measurements are taken, the average can be found to give a more reliable result. 4 of 13 Muscle cells respire faster during... Exercise 5 of 13 Which causes... The heart and breathing rate to change 6 of 13 Why is more oxygen and glucose needed during exercise? Due to the cells respiring faster - more carbon dioxide is released 7 of 13 Blood is pumped................around the body when.................. Faster, the heart rate is faster 8 of 13 As a result, blood takes........to the.........faster Oxygen and glucose,cells 9 of 13 Oxygen is taken into the body at a faster rate when...... The breathing rate is faster 10 of 13 What effect does the intensity of exercise have on the breathing and heart rate? The greater the intensity, the more increased the H+B rate is. 11 of 13 How is the cardiac output worked out? Stroke volume multiplied with the heart rate 12 of 13 What is the stroke volume? The volume of blood pumped by the heart in one beat 13 of 13
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