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Question 1 of 10: Many animals have a heart and circulation. (a) The diagram shows the structure of a human heart. Label the diagram with the names of the four major blood vessels.

011.83 marks

Cardiac cycle and heart structure

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Many animals have a heart and circulation.

The diagram shows the structure of a human heart. Label the diagram with the names of the four major blood vessels.

(3)
A simplified heart seen from the front. Label 1 on the left points to a vessel entering the top of the right side. On the right, label 2 points to the arched vessel leaving the top, label 3 to the vessel leaving just below the arch towards the right, and label 4 to vessels entering the upper right side.1234
The heart seen from the front (its right side is on your left), simplified. Four label lines, numbered 1 to 4, point to the four major blood vessels.

Label 1: . Label 2: . Label 3: . Label 4: .

Total for this question: 3 marks

Lesson: 1B 4: The Mammalian Heart