Circulatory system - blood vessels (Edexcel GCSE Biology Combined Science): Quizzes
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Practise the questions
10 questions from this quiz
What is the main function of arteries in the circulatory system?
What is the main function of arteries in the circulatory system?
Carry blood away from the heart
Which artery is the exception that carries deoxygenated blood?
Which artery is the exception that carries deoxygenated blood?
Pulmonary artery
Why do arteries have thick muscular and elastic walls?
Why do arteries have thick muscular and elastic walls?
To withstand high pressure
What is the main function of veins?
What is the main function of veins?
Carry blood toward the heart
What is the purpose of valves in veins?
What is the purpose of valves in veins?
Prevent backflow of blood
Which vein is the exception that carries oxygenated blood?
Which vein is the exception that carries oxygenated blood?
Pulmonary vein
How thick are the walls of capillaries?
How thick are the walls of capillaries?
One cell thick
What is the main function of capillaries?
What is the main function of capillaries?
Exchange of substances with body cells
Where does oxygen diffuse from capillaries?
Where does oxygen diffuse from capillaries?
Into tissue fluid then into cells
Where is urea produced before diffusing into blood plasma?
Where is urea produced before diffusing into blood plasma?
Liver