4. The human heart is a muscular organ made up of cardiac muscles. It is a four- chambered organ to prevent intermixing of oxygenated and de-oxygenated blood. A thick wall muscle called septum that separates the two sides left and right of the heart. Look at the picture
Question
(iii)Pulmonary vein brings :
(a) oxygenated blood from the
lungs to the heart
(b) de-oxygenated blood from the heart to the lungs
(c) oxygenated blood from the
heart to the lungs
(d) de-oxygenated blood from
the lungs to the heart
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Class 10 science
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2021-12-19T09:10:00+00:00
2021-12-19T09:10:00+00:00 1 Answer
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Answer ( 1 )
Answer. (a) oxygenated blood
from the lungs to the heart