Exercise causes short-term effects on our body systems - Edexcel - GCSE Physical Education - Question 4 - 2019 - Paper 1
Question 4
Exercise causes short-term effects on our body systems.
Complete Table 2 by:
(a) Stating one short-term effect of exercise on each of the named body systems.
(b) ... show full transcript
Worked Solution & Example Answer:Exercise causes short-term effects on our body systems - Edexcel - GCSE Physical Education - Question 4 - 2019 - Paper 1
Step 1
(a) Short-term effect of exercise on the Cardiovascular system
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Answer
One short-term effect of exercise on the cardiovascular system is an increased heart rate, which leads to a higher stroke volume and improved cardiac output.
Step 2
(b) Importance to the performer exercising for the Cardiovascular system
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Answer
This increased heart rate is vital for oxygen delivery and nutrient transport, ensuring that more oxygen reaches the muscles to support their activity.
Step 3
(a) Short-term effect of exercise on the Muscular system
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Answer
For the muscular system, a short-term effect of exercise is increased blood flow to the muscles.
Step 4
(b) Importance to the performer exercising for the Muscular system
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Answer
Increased blood flow is important because it enhances muscle elasticity and reduces the risk of muscle injury, allowing for better performance during strenuous activities.
Step 5
(a) Short-term effect of exercise on the Respiratory system
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A short-term effect of exercise on the respiratory system is an increased depth of breathing.
Step 6
(b) Importance to the performer exercising for the Respiratory system
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Answer
This increased depth of breathing improves gas exchange in the lungs, allowing for a higher intake of oxygen and quicker removal of carbon dioxide, which is crucial during intensive exercise.
