Gas Exchange at the Alveoli (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
In which direction do gases move during gaseous exchange?
In which direction do gases move during gaseous exchange?
From high to low concentration
What does oxygen bind with in the blood?
What does oxygen bind with in the blood?
Haemoglobin
What is formed when oxygen binds with haemoglobin?
What is formed when oxygen binds with haemoglobin?
Oxyhaemoglobin
Where is oxyhaemoglobin transported to?
Where is oxyhaemoglobin transported to?
The working muscles
What is oxyhaemoglobin used for at the muscles?
What is oxyhaemoglobin used for at the muscles?
Aerobic activity
What waste product is produced during aerobic activity?
What waste product is produced during aerobic activity?
Carbon dioxide
How is carbon dioxide removed from the muscles?
How is carbon dioxide removed from the muscles?
By haemoglobin
Where does gaseous exchange occur in the lungs?
Where does gaseous exchange occur in the lungs?
At the alveoli capillaries
Where else does gaseous exchange occur besides the lungs?
Where else does gaseous exchange occur besides the lungs?
Capillaries-muscle tissue
How thick are the walls of the alveoli?
How thick are the walls of the alveoli?
Only one cell thick
What feature of alveoli relates to their size?
What feature of alveoli relates to their size?
Very large surface area
What are alveoli surrounded by?
What are alveoli surrounded by?
Capillaries