Question

what is hemoglobin ?​

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:

Answer 2

Answer:Haemoglobin is content in red blood cells, which efficiently carries oxygen from the lungs to the tissues of the body. hemoglobin also helps in transportation of carbon dioxide and hydrogen ions back to the lungs.

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