Question

The right atrium and right ventricle contains oxygenated blood its true or flase

Answer 1

no dear its false

the deoxygenated blood from different parts of the body comes to the right atrium as it expands and then when it contracts the right ventricle epands and the blood is transferred to it

the blood enters the right atrium from vena cava of upper and lower body and it leaves the right ventricle throughpulmonary arteries