Which of the following is an important component of haemoglobin?

Iron

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Sodium

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Calcium

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None

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Solution

The correct option is A Iron
Iron is an important component of haemoglobin which is present in red blood cells. It carries oxygen from the lungs to different parts of the body. Sources of iron include sunflower seeds, nuts, beef, beans, green leafy vegetables, tofu, amla, jaggery.

Thus, the correct answer is option A.

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