The Lungs (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the primary function of the lungs?
What is the primary function of the lungs?
To supply oxygen and remove carbon dioxide
What is the trachea also known as?
What is the trachea also known as?
The windpipe
Where are the intercostal muscles located?
Where are the intercostal muscles located?
Between the ribs
How many bronchi does the trachea divide into?
How many bronchi does the trachea divide into?
Two
Where are the alveoli located?
Where are the alveoli located?
At the ends of the bronchioles
What does the diaphragm separate?
What does the diaphragm separate?
The lungs from the digestive organs
What happens to pressure inside the chest during inhalation?
What happens to pressure inside the chest during inhalation?
It decreases
What happens to the ribcage during exhalation?
What happens to the ribcage during exhalation?
It moves down and in
In which direction does oxygen diffuse during gas exchange?
In which direction does oxygen diffuse during gas exchange?
From alveoli into blood
Why do alveoli have thin walls?
Why do alveoli have thin walls?
To create a short diffusion pathway
Why do alveoli have a large surface area?
Why do alveoli have a large surface area?
To maximise diffusion
How do you calculate breathing rate?
How do you calculate breathing rate?
Breaths minutes