Knowledge Bombs

An octopus’ blood is blue due to the protein called, haemocyanin, which carries oxygen around its body, contains copper rather than iron like we have in our own haemoglobin. The copper-based protein is more efficient at carrying oxygen molecules in cold and low-oxygen conditions (i.e. ocean life).

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An octopus’ blood is blue due to the protein called, haemocyanin, which carries oxygen around its body, contains copper rather than iron like we have in our own haemoglobin. The copper-based protein is more efficient at carrying oxygen molecules in cold and low-oxygen conditions (i.e. ocean life).

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