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The given diagram represents the conducting system of human heart. Identify 1, 2, 3, 4.

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Question

The given diagram represents the conducting system of human heart. Identify 1, 2, 3, 4.

Options

  • 1 - SA node; 2 - AV node; 3 - Semilunar valve; 4 - Left ventricle

  • 1 - SA node; 2 - Semilunar valve; 3 - AV node; 4 - Left ventricle 

  • 1 - AV node; 2 - Semilunar valve; 3 - Left ventricle; 4 - SA node

  • 1 - Semilunar valve· 2 - SA node; 3 - AV node; 4 - Left ventricle

MCQ
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Solution

1 - SA node; 2 - AV node; 3 - Semilunar valve; 4 - Left ventricle

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