ICSE Class X Biology 2013 Solved Papers

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The diagram given below represents the human heart in one phase of its functional activities. Study the same and answer the questions that follow :
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Question : 67
Total: 90
Label the parts 1, 2, and 3
Solution:  
1. Pulmonary Artery,
2. Superior Vena Cava,
3. Aorta.
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