Question

define hemoglobin.,.,.,.,.,... x. x. x. x... x​

Answer 1

Answer:

A red substance in the blood that carries the gas we need to live (oxygen) and contains iron is known as hemoglobin.

Explanation:

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Answer 2

a red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a haem group.