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✨ Blood enters the heart as deoxygenated blood through the right atrium and passes first through the tricuspid valve into the right ventricle.
✨ From the right ventricle, it is pumped through the pulmonary valve into the pulmonary arteries and toward the lungs for oxygenation.
✨ Oxygenated blood then returns to the left atrium and passes through the bicuspid (mitral) valve into the left ventricle.
✨ Finally, it is ejected through the aortic valve into the systemic circulation.
✨ This sequence ensures proper one-way blood flow through the heart and into the body.
This question is from WGU Anatomy and Physiology with lab which contains 74 questions.
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