Food
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What happens when a person suffers from a lack of iron in the diet? (4)
• are used to make hemoglobin, make less hemoglobin • Hemoglobin is used to carry oxygen, carry less oxygen in blood • Oxygen used during respiration to release energy, release less energy • Anemia, condition where person suffers from lack of energy
Why do people eat food? (2)
• For energy and nutrients • Because they like the food
What does the body do with the nutrients found in food? (2)
• Provide energy • provide materials for making the chemicals that are needed to make cells.
Name the different types of food we include in our diets. (7)
• protein • Fats • Fibre • Water • Minerals • Vitamins • carbohydrates
What is the function of protein in the body? (2)
• Make new cells • make enzymes and antibodies • Supply energy
What is the function of carbohydrates in the body? (1)
Main source of energy
Give examples of two types of carbohydrates. (2)
• Starch • Sugar
What is the function of fat in the body? (3)
• Make new cell membranes • Reserved source of energy • Protect organs
how does the amount of vitamins and minerals we need in our diets compared to the amount of proteins and carbohydrates we need in our diets? (2)
We need carbohydrates in bigger amounts and vitamins and minerals in small amounts.
What is the function of fiber in the body? (2)
• Help food pass through the digestive system • Prevent colon cancer
What is the function of water in the body? (3)
• 60% 70% of body is made up of water • Transport nutrients and waste -Cools body
What is the difference between food and nutrients? (4)
• food, we eat and drink • Nutrients, useful substances, from food Supply energy Allows body to function
Last three types of food that provides the body with energy (3)
• Carbohydrates • Fats • Protein