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Combines with haemoglobin in red blood cells, decreasing how much oxygen it can carry

Increase heart rate, when you smoke

If your diet is high in... or salt you could develop heart disease

Saturated fats can cause a build up of

Narrow ... increase the risk of a heart attack

Carbohydrates, Proteins, Fats, Vitamins, Minerals and Water are all...

Provide energy

Provide energy, act as an energy store and provide insulation

Need for growth, and repair of tissues, and provide energy in emergencies

Have various functions