Homework Answers
Answer is option a) Oxygenated and deoxygenated blood never mix
This is the diagram of double circuit of circulation where pulmonary and systemic circulation present.
After entering heart blood moves lung for oxygen uptake this is pulmonary circulation and again re-enter to heart and moves to throughout the body tissues,this is systemic circulation.
As in this circuit Oxygenated and deoxygenated blood mixing is not taking place neither in atria nor in ventricle so option b and c are not correct.
After pumping from the heart oxygenated blood moves so option d is also not correct.
Due to above mentioned reasons,
Hence option a is correct.
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