Biology for IGCSE & O level - Transport In Animals (Section 2 - No. 2)
Which of the following describes the correct pathway of blood flow through the heart?
Right atrium -> left atrium -> right ventricle -> left ventricle
Left atrium -> right atrium -> left ventricle -> right ventricle
Right atrium -> right ventricle -> left atrium -> left ventricle
Left ventricle -> right ventricle -> left atrium -> right atrium
Explanation
The correct flow is: Right atrium -> right ventricle -> left atrium -> left ventricle.
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