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GCSE Biology · key term
The muscular wall separating the left and right sides of the heart and preventing oxygenated and deoxygenated blood from mixing.
Used by Edexcel and OCR
Specification 8.8 · Paper 2
The muscular wall separating the right and left sides of the heart, preventing their blood from mixing.
Revise: Heart and Circulatory SystemA muscular septum separates the right and left sides, so oxygen-poor blood returning from the body does not mix with oxygen-rich blood returning from the lungs.
Specification B2.2d · Paper 1 (Foundation), Paper 3 (Higher)
Revise: Heart and blood vesselsA muscular septum separates the right and left sides of the heart, preventing oxygenated blood on the left from mixing with deoxygenated blood on the right.
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
The wall separating the left and right sides of the heart, preventing oxygenated and deoxygenated blood from mixing.
Revise: Heart StructureA wall called the septum separates the two sides, so blood returning from the body does not mix with blood returning from the lungs.
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