Question

How is oxygen transported in large multicellular organisms like humans ? Please guys tell fast.....

Answer 1

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How is oxygen transported in large multicellular organisms like humans ?

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Oxygen is carried by red blood cells which have specialised adaptations for this function. Red blood cells contain the chemical haemoglobin which binds reversibly to oxygen. Red blood cells absorb oxygen in the lungs and then release it again in the tissues.

Answer 2

Answer:

Through their blood oxygen is transported in large multicellular organisms like humans