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Question: Answered & Verified by Expert
In humans, deoxygenated blood flows from:
BiologyBody Fluids and CirculationNEET
Options:
  • A Left auricle to left ventricle during auricular systole
  • B Right auricle to right ventricle during atrial systole
  • C Right ventricle to aorta during ventricular systole
  • D Pulmonary vein to left auricle during auricular systole
Solution:
2435 Upvotes Verified Answer
The correct answer is: Right auricle to right ventricle during atrial systole
The right and left atria are the top chambers of the heart and receive blood into the heart. The right atrium receives deoxygenated blood from systemic circulation and the left atrium receives oxygenated blood from the pulmonary circulation.

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