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Pd - Physiological Responses

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Submitted By carlawoolley
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A year 11 student is participating in the beep test and is currently at level 8, discuss the immediate physiological responses that she is experiencing.
HIGHLIGHT SYLLABUS POINTS

The five immediate physiological responses to exercise are heart rate, stroke volume, cardiac output, ventilation and lactate levels. These five physiological responses change during different levels of exercise and are different pre and during exercise. The responses vary for different levels of fitness and capability. In this situation, for a year 11 student participating in the beep test currently at level 8, this person is under the average of 9 and will need to train to improve her level. This person will take part in aerobic training and this is where the physiological responses are undertaken. Also the FITT principal comes into account when relating to physiological responses.
Heart rate is the amount of times the heart beats per minute. There are three different types of heart rate, which include; resting heart rate. This is your heart rate when we are completely at rest. Working heart rate is when our heart rate is increasing with exercise and will increase according to the exercise. And steady state is when a fit person’s heart rate levels off during lengthened exercise. When our heart rate increases, the increase of the volume of blood is pumped with each contraction. This occurs because our muscles need more oxygen to contract so more blood needs to travel to the muscles. For example, as this person progresses through the levels, the intensity of the beep test will increase and therefore her heart rate will progressively increase. The time between levels will also increase and therefore the student heart rate will intensify.
Stroke volume is the amount of blood ejected by the left ventricle of the heart during a contraction. In similar terms, it is the amount of blood

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