Question

How is oxygenated blood is prevented from mixing with deoxygenated blood

Answer 1

to prevent the mixing of oxygenated and deoxygenated blood. to receivedeoxygenated blood from the vena cava and force it into the right ventricle. toprevent the back flow of blood from the right ventricle into the right atrium. ... to receive oxygenated blood from the pulmonary vein and force it into the left ventricle

Answer 2

If deoxygenated blood mixes with oxygenated blood, both lungs and tissues would receive blood with the same amounts of oxygen, which would affect the efficiency of the delivery of O2 to the tissues of the body.