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MINERALS: FOOD NUTRITION AND HEALTH

Terms in this set (27)

Minerals
a chemical element that our bodies need in small amounts to work
Mineral Examples
calcium, iron, sodium, phosphorus
Functions of Calcium
needed for strong bones and teeth, healthy nerves and muscles, blood clotting
Sources of Calcium
milk, cheese, tofu, green leafy veg, hard water and sesame seeds
Excess Calcium
is rare, but can increase the risk of kidney stones
Lack of Calcium
too little during childhood can lead to rickets, osteoporosis and can slow down blood clotting
Functions of Iron
forms part of haemoglobin which gives red blood cells their red colour
Sources of Iron
dark green vegetables and meat (liver and kidney).
Excess Iron
toxic and can cause stomach pains, nausea, constipation. in extreme cases can cause death
Lack of Iron
anaemia
Functions of Sodium
controls the body's water content and helps our nerves and muscles to function
Sources of Sodium
found in most foods
Excess Sodium
high blood pressure, heart disease
Lack of Sodium
nausea and muscle cramps
Functions of Phosphorus
healthy bones and teeth
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