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4.4 Helping The Heart (GCSE Biology)

The following is a GCSE Biology test covering '4.4 Helping The Heart'
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Question 1
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Below a typical questions that will be covered in this test. You final score will be logged on your account

What is the natural pacemaker of the heart?
How long does a biological heart valve typically last?
What is the main role of artificial pacemakers?
What commonly causes heart valves to become `leaky`?
What does an artificial heart temporarily assist with?
What disadvantage is associated with mechanical heart valves?
What issue may arise from artificial heart installation?