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

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

(ii) The artery which carries de-
oxygenated blood from the heart

into lungs is called:
(a) Pulmonary artery (b) Hepatic
artery (c)Renal artery (d) All
arteries

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Class 10 science swatiqna 3 years 2021-12-19T09:07:45+00:00 2021-12-19T09:07:45+00:00 1 Answer 28 views Enlightened 0