The Heart (AQA GCSE Biology Combined Science): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
How many circuits make up the double circulatory system?
How many circuits make up the double circulatory system?
Two
Which blood vessel carries deoxygenated blood from the heart to the lungs?
Which blood vessel carries deoxygenated blood from the heart to the lungs?
Pulmonary artery
Which blood vessel carries oxygenated blood from the lungs to the heart?
Which blood vessel carries oxygenated blood from the lungs to the heart?
Pulmonary vein
Why is the left ventricle wall thicker than the right ventricle wall?
Why is the left ventricle wall thicker than the right ventricle wall?
It pumps blood to the entire body
How many chambers does the heart have?
How many chambers does the heart have?
Four
What is the main function of valves in the heart?
What is the main function of valves in the heart?
Prevent blood flowing backwards
Where is the natural pacemaker of the heart located?
Where is the natural pacemaker of the heart located?
Right atrium
What is the natural resting heart rate in beats per minute?
What is the natural resting heart rate in beats per minute?
Around 70
Which feature allows capillaries to enable efficient substance exchange?
Which feature allows capillaries to enable efficient substance exchange?
One-cell-thick walls