Question

what is hemoglobin??
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Answer 1

Answer:

Hemoglobin is the protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs. Hemoglobin is made up of four protein molecules (globulin chains) that are connected together.

Explanation:

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Answer 2

Hint: Haemoglobin is the respiratory pigment found in the red blood cells which are biconcave to accommodate it. This molecule is made up of four components of the heme group and an iron centre. This structural arrangement helps it to form the most life-saving function of haemoglobin ...

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