The Lungs (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
ShowHide
Practise the questions
13 questions from this quiz
Where in the body are the lungs located?
Where in the body are the lungs located?
In the thorax
What is the primary function of the lungs?
What is the primary function of the lungs?
Supply oxygen & remove carbon dioxide
What is another name for the trachea?
What is another name for the trachea?
Windpipe
How many bronchi does the trachea divide into?
How many bronchi does the trachea divide into?
Two
Where does gas exchange occur in the lungs?
Where does gas exchange occur in the lungs?
In the alveoli
During inhalation, which way does the diaphragm move?
During inhalation, which way does the diaphragm move?
Down
What happens to pressure inside the chest during inhalation?
What happens to pressure inside the chest during inhalation?
It decreases
During exhalation, how does the ribcage move?
During exhalation, how does the ribcage move?
Down and in
What is the state of blood in capillaries around the alveoli before gas exchange?
What is the state of blood in capillaries around the alveoli before gas exchange?
Deoxygenated
How does oxygen move from alveoli into the blood?
How does oxygen move from alveoli into the blood?
Diffusion down concentration gradient
Why do alveoli have a large surface area?
Why do alveoli have a large surface area?
To maximise diffusion
How do thin alveoli walls benefit gas exchange?
How do thin alveoli walls benefit gas exchange?
Create short diffusion pathway
How do you calculate breathing rate?
How do you calculate breathing rate?
Breaths minutes