Paper 1: The human body and movement in physical activity and sport June 2024, Question 1 1 mark
What happens to the diaphragm during inhalation?
Reveal mark scheme
AQA GCSE Physical Education
Topic questions Human physiology Ventilation and the thorax
5 questions · 27 marks · about 25 minutes
What happens to the diaphragm during inhalation?
Which one of these pairs of muscles are used when breathing in during exercise?
Figure 1 shows a spirometer trace for a person at rest.
Identify lung volumes A and B in Figure 1.
In Figure 1, what would happen to lung volume A during exercise?
Justify your answer to Question 7.2.
Define inhalation and describe how it takes place at rest.
Refer to the intercostal muscles, rib cage and diaphragm in your answer.
What is formed when haemoglobin and oxygen combine in the red blood cells?
Identify four features of the alveoli that assist in gaseous exchange.
Explain how air pressure changes occur in the chest cavity allowing exhalation to take place.
Refer to the roles of the intercostal muscles, rib cage and diaphragm.
Complete Figure 5 to show the pathway of air.
Write the numbers from the following list in the boxes shown in Figure 5 to show the correct order of the pathway of air.
The first position in Figure 5 has been completed for you. Use each number only once.
1. Alveoli 2. Bronchi 3. Trachea 4. Lungs 5. Bronchioles
During exercise the lungs expand more to allow a greater volume of air to be breathed in.
Name the two muscles that help the diaphragm and intercostal muscles in this process.
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