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Question

Explain the importance of the following minerals for the body.
(a) calcium
(b) sodium
(c) potassium
(d) iron

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Solution

(a) Calcium: Calcium is essential for the formation of healthy bones and strong teeth.

(b) Sodium: Sodium is essential for the proper functioning of the nervous system.

(c) Potassium: Potassium is essential for normal growth and also to keep cells and blood healthy.

(d) Iron: Iron is an important part of haemoglobin, which is the substance in red blood cells that carries oxygen to all the cells of the body.

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