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GCSE Combined Science · key term
Blood containing a relatively low concentration of oxygen; it is not completely without oxygen.
Used by AQA and OCR
Specification 4.2.1.3 · Paper 1, Paper 2
Revise: Human Circulatory SystemThe right side handles deoxygenated blood returning from the body, while the left side handles oxygenated blood returning from the lungs. A muscular wall separates the two sides, preventing these blood supplies from mixing.
Specification B2.2c · Biology Paper 1
Blood with a relatively low oxygen content, such as blood returning from body tissues. It still contains some oxygen.
Define arteries and veins by the direction of blood flow, not by oxygen content: the pulmonary artery carries deoxygenated blood and the pulmonary vein carries oxygenated blood.
The pulmonary artery carries deoxygenated blood, whereas the pulmonary vein carries oxygenated blood.
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