CBSE 2025 · Region 4 · Set 2 · Q29 · 3 marks
(i)Study the diagram and name the parts marked as A, B, C and D.(ii)Write the function of A and C.
(i)
Study the diagram and name the parts marked as A, B, C and D.
(ii)
Write the function of A and C.
Marking-scheme solution
(i)
A: pulmonary artery
B: pulmonary vein
C: aorta
D: vena cava
(ii)
Function of A: Carries deoxygenated blood from heart to lungs.
Function of C: Transports oxygenated blood from heart to all parts of the body.
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CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.