Circulatory system- blood vessels (Edexcel GCSE Biology): Quizzes
📚Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
Which direction do arteries carry blood?
Which direction do arteries carry blood?
Away from the heart
Which artery carries deoxygenated blood?
Which artery carries deoxygenated blood?
Pulmonary artery
Why do arteries have thick walls?
Why do arteries have thick walls?
To withstand high pressure
What is the purpose of a narrow lumen in arteries?
What is the purpose of a narrow lumen in arteries?
To maintain high pressure
How does the elasticity of artery walls help blood flow?
How does the elasticity of artery walls help blood flow?
Recoiling pushes blood forward
Which direction do veins carry blood?
Which direction do veins carry blood?
Toward the heart
What is the function of valves in veins?
What is the function of valves in veins?
Prevent backflow of blood
Which vein carries oxygenated blood?
Which vein carries oxygenated blood?
Pulmonary vein
How thick are capillary walls?
How thick are capillary walls?
One cell thick
What is the main function of capillaries?
What is the main function of capillaries?
Exchange of substances
What do capillaries connect?
What do capillaries connect?
Arterioles to venules
Where does urea come from?
Where does urea come from?
Breakdown of amino acids in liver