ICSE Class X Biology 2017 Solved Papers

The diagram given below represents a section of the human heart. Answer the questions that follow:

Question : 78

Total: 101

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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