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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

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