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The Heart And Blood Vessels (GCSE Biology)

The following is a GCSE Biology test covering 'The Heart And Blood Vessels' from the broader topic Organisation. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Why do veins have valves while arteries generally do not?
What is the main function of heart valves?
How does a stent treat a blocked coronary artery?
Which lifestyle factor increases the risk of cardiovascular disease?
How does high blood pressure (hypertension) affect arteries over time?
What effect does nicotine in cigarette smoke have on the circulatory system?
Which blood vessels are most directly affected in coronary heart disease?
Which symptom is most likely if a coronary artery becomes suddenly completely blocked?
What is the best explanation for why strenuous exercise raises heart rate?
Which blood component is primarily responsible for clotting to stop bleeding?
Why are capillary walls only one cell thick?