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ICSE Class X Biology 2017 Papers
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The diagram given below represents a section of the human heart. Answer the questions that follow: 
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Question : 78 of 101
Marks:
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Label the parts numbered 1 and 2 in the diagram. What type of blood flows through them?
Solution:
1 - Pulmonary artery 2 - Pulmonary veins Deoxygenated blood flows through 1. Oxygenated blood flows through 2.
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