Figure 1 shows the muscular system while running - Edexcel - GCSE Physical Education - Question 1 - 2019 - Paper 1
Question 1
Figure 1 shows the muscular system while running.
For Questions 1(a), 1(b) and 1(c) use Figure 1 to decide whether A, B, C or D is correct.
(a) Which one of the fo... show full transcript
Worked Solution & Example Answer:Figure 1 shows the muscular system while running - Edexcel - GCSE Physical Education - Question 1 - 2019 - Paper 1
Step 1
Which one of the following is the gluteus maximus?
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Answer
The gluteus maximus is represented by Muscle B in Figure 1. This muscle is primarily responsible for hip extension and plays a vital role in running.
Step 2
Which one of the following states the role of muscle D?
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Answer
Muscle D is involved in the extension of the leg at the knee. It assists in movement during running by stabilizing the knee joint.
Step 3
Which one of the following muscles works antagonistically with muscle D?
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Answer
Muscle C works antagonistically with muscle D. While muscle D extends the leg, muscle C facilitates the flexion of the leg at the knee.
Step 4
Which one of the following blood vessels carries oxygenated blood back to the heart?
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Answer
The correct answer is the Pulmonary vein, which transports oxygenated blood from the lungs back to the heart.
Step 5
Which one of the following is responsible for clotting the blood?
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Answer
Platelets are responsible for blood clotting. They aggregate at the site of a vascular injury to form a temporary plug.
Step 6
Which one of the following is the most likely level of oxygen in the blood before and after gas exchange at the muscle during exercise?
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Answer
The most likely level of oxygen in the blood before gas exchange is High, and after gas exchange, it is Low, indicating a drop in oxygen as it is used by muscles during exercise.
Step 7
Analyse the data in Figure 2 to determine which 16-year-old student was working in their aerobic training zone.
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Answer
Student B is the one working in their aerobic training zone, as their heart rate remains within the optimal range for aerobic exercise compared to the other students.
