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Science · 2026 · 1 mark
CBSE 2026 · Region 4 · Set 1 · Q7
In human beings the oxygen rich blood is pumped out to the body by:
In human beings the oxygen rich blood is pumped out to the body by :
Official answer
(D)
contraction of left ventricle
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CBSE Class 10 Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.