how is oxygen and in large multicelular oraganisms like human
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In multicellular organisms respiratory pigments take up oxygen from the air in the lungs and carry it to tissues which are deficient in oxygen before releasing it.in human beings, the respiratory pigment is hemoglobin which has a very high affinity for oxygen.
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- human beings are multicellular organism having a comple body structure the oxygen requirement by met diffusion because
- diffusion is a slow process
- in munticeluar organisms the cell are not in direct contact with the outside environment as in unicellular there are specialized tissues and organ that help to meet oxygen requirements of the body s
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