Biology for IGCSE & O level - Transport In Animals (Section 5 - No. 5)
What is the role of the septum in the heart?
To regulate the heart rate.
To separate the atria from the ventricles.
To prevent blood from mixing between the left and right sides of the heart.
To direct blood flow towards the lungs.
Explanation
The septum is a wall that prevents oxygenated and deoxygenated blood from mixing.
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