Baffled Britons

Research by a team at King's College London has found that Britons are baffled by anatomy. Less than 50% of more than 700 people who took the test - a respectable sample of the population - could correctly place the heart. And so much is waffled about this popular organ! I've animated a graphic by BioMed Central, so you can test yourself. Is the heart located at A, B, C or D? Click the title link to find the answer. If you fail this test, seek medical advice.