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arnav raj sharma from gulibulium school, new york
Subject :NSO    Class : Class 7

Select the incorrect statement(s).
(i) The bicuspid valve guards the opening of right atrium into right ventricles.
(ii) The semilunar valves are present at the base of pulmonary aorta and dorsal aorta.
(iii) Pulmonary vein carries oxygenated blood from the lungs to the heart.
(iv) The right ventricle is the largest heart chamber.

A (i) and (ii) only
B (i) and (iv) only
C (ii) and (iv) only
D (ii) and (iii) only


Ans 1:

Shubhangi Pathak from Lilavatibai Podar High School, Mumbai
Class : Class 8
Why is statement II correct when the Pulmonary Valve opens into the Pulmonary Artery and the Aortic Valve opens into the Aorta?

Ans 2:

Meghna Sesha from Deens Academy, Bangalore
Class : Class 7

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