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OCR Gateway B1b
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- 1B1b - Human health and dietCarbohydrates Made from simple sugars such as glucose
Proteins Made up of amino acids
Fats Made up of fatty acids and glycerol - 2Other factorsA balanced diet will also include nutrients that do not provide energy, such as:
minerals, such as iron, to make the haemoglobin needed in red blood cells
vitamins, such as vitamin C, which prevents a disease called scurvy
fibre, which prevents constipation
water. - 3BMIThe Body Mass Index (BMI) is a guide to whether someone is underweight, normal weight or overweight. You can calculate the BMI using this formula:
BMI = mass in kg ÷ (height in m)² - 4Too much fat and carbohydratesIf you eat to much fat or carboydrates, they are stored in the body:
-Carbohydrates are stored in the liver as glycogen or converted into fats.
- Fats are stored under the skin and around organs as adipose tissue.
PROTEINS CANNOT BE STORED IN THE BODY. - 5ProteinsProteins are needed for growth and repair.
EAR in g = 0.6 x body mass in kg
Too little protein causes the condition called kwashiorkor. - 6Continue...Although proteins cannot be stored in the body, some amino acids can be converted by the body into other amino acids.
First class proteins contain all the essential amino acids that cannot be made by the human body.
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- Fichas sobre OCR Gateway B1b , creado por Zaaaara el 30/05/2014.
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