Breathing Mechanics (OCR GCSE Physical Education): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Which muscles contract during inspiration at rest?
Which muscles contract during inspiration at rest?
Diaphragm & external intercostals
In which direction do the ribs move during inspiration?
In which direction do the ribs move during inspiration?
Upwards and outwards
What happens to chest cavity volume during inspiration?
What happens to chest cavity volume during inspiration?
It increases
What causes air to rush into the lungs during inspiration?
What causes air to rush into the lungs during inspiration?
Increased chest cavity volume
Which muscles relax during expiration at rest?
Which muscles relax during expiration at rest?
Diaphragm & external intercostals
Which muscles contract during expiration at rest?
Which muscles contract during expiration at rest?
Internal intercostals
In which direction do the ribs move during expiration?
In which direction do the ribs move during expiration?
Downwards and inwards
What happens to chest cavity volume during expiration?
What happens to chest cavity volume during expiration?
It decreases
Which additional muscles are used during inspiration in exercise?
Which additional muscles are used during inspiration in exercise?
Pectorals & sternocleidomastoid
What do pectorals and sternocleidomastoid raise during exercise inspiration?
What do pectorals and sternocleidomastoid raise during exercise inspiration?
The sternum
What does raising the sternum allow during exercise inspiration?
What does raising the sternum allow during exercise inspiration?
Lungs to expand further
Which muscles contract during expiration in exercise?
Which muscles contract during expiration in exercise?
Abdominal muscles