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Health - Coggle Diagram
Health
Digestive enzymes
The human body digests carbohydrates, proteins and fats.
These carbohydrates, proteins and fats are digested into nutrients and absorbed into the body.
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Enzymes are protein molecules which act as catalysts to speed up reactions. They are not used-up in these reactions.
Enzymes can be grouped into two types : Those that break larger molecules apart (like digestive enzymes) and those that join larger molecules together (like plants making glucose in photosynthesis)
The molecules that enzymes act upon are called substrates. An enzyme is specific for its substrate like a key is for its lock. This is called the 'lock and key model'
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Carbohydrase are in the mouth, pancreas and small intestine : protease are in the stomach, pancreas and small intestine : lipase are in the pancreas and small intestine
Food energy
Food is a store of energy, transferred from the food to the consumer.
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Food is a store of chemical energy, which is transferred to the consumer when eaten.
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Each individual requires a specific amount of food, depending on their energy requirements.
This energy from plants and animals keeps the consumer alive and allows it to carry out its activities.
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Healthy diet
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The food groups are: carbohydrates, lipids, proteins, vitamins, minerals, dietary fibre and water.
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To keep healthy, it is vital to eat a balanced diet. This means eating the right amount from different food groups. Too much may cause obesity and too little may cause malnutrition.
