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Why can mixing of oxygenated and deoxygenated blood reduce energy availability in the body?

Answer and explanation

Correct answer: Less oxygen will reach cells

Aerobic respiration in cells uses oxygen to oxidise glucose and release a large amount of usable energy. If oxygenated blood mixes with deoxygenated blood, the resulting blood has a lower oxygen concentration than fully oxygenated blood. Less oxygen reaches tissues, so aerobic energy production can fall. Hence option A is correct; the other choices concern unrelated digestive or plant functions.

Related tags

Oxygenated BloodEnergyHeartLife ProcessesWorld Of LivingScienceClass 10 Mcq

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