Question

What is haemoglobin? explain

Answer 1

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Haemoglobin is a protein in red blood cells which contains iron . It is used to transport oxygen around the human body.
There are millions of hemoglobin molecules in each red blood cell and millions of red blood cells in the human body. When hemoglobin has oxygen attached, it is called oxyhemoglobin.

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Answer 2

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$\textbf{What is Haemoglobin? explain.}$

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★ Haemoglobin present in red blood cell. It gave red colour to blood. It carry oxygen from our lungs to rest of the body. It helps in absorption of minerals and other nutrients. It also plays a important role in maintaining the shape of the red blood cells.
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★ Whenever it react with oxygen it is known as oxyhaemoglobin amd when it react with carbon dioxide it is known as carboxyhaemoglobin. Addition of oxygen and carbon dioxide releases a gas named nitric gas. Nitric gas helps in regulation of blood pressure. 
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★ Haemoglobin is made up of 4 molecules of proteins that are joined together. Each haemoglobin carries 4 molecules of oxygen and it carries carbon dioxide in the form of bicarbonate. 
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★ Normal concentration of Haemoglobin in blood :- 

→ In female = 11 - 15 g/100 ml of blood. 

→ And in male = 12 - 17 g/100 ml of blood.
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★ Anemia is a disease which occurs due to deficiency of haemoglobin in our body.
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