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Feeding and digestion in animals
EduBook Organización
- 3488 visitas
1.1. How do animals feed? Animals are heterotrophic; they need to find food and transform it to get nutrients. These substances provide energy and materials the animal needs to grow, make new tissues…
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Work it out. Animal nutrition
EduBook Organización
- 2527 visitas
Remember what you have studied in this section and answer the questions: Is it possible to find a digestive system that does not use mechanical processes? And chemical processes? Explain your answer.…
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Summaries - Nutrition, breathing and circulation
EduBook Organización
- 2078 visitas
1. Nutrition. Food and nutrients Food enters our body through the digestive system. Food gives us energy to grow and repair our body if we are ill or hurt. We obtain important substances from food to…
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Nutrition: food and nutrients
EduBook Organización
- 2010 visitas
Food Food enters our body through the digestive system. Food is important because: It gives us energy to do our daily activities. We need energy to grow, and to repair our body if we are ill or hurt. We…
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Nutrition, breathing and circulation
EduBook Organización
- 1 lo usan
- 7467 visitas
Our body needs nutrients and oxygen to live and grow. We obtain nutrients from food, and oxygen from the air. In our body, the digestive system gives us the nutrients that we need, and the respiratory…
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Introduction - Nutrition, breathing and circulation
EduBook Organización
- 3898 visitas
Our body needs nutrients and oxygen to live and grow. We obtain nutrients from food, and oxygen from the air. In our body, the digestive system gives us the nutrients that we need, and the respiratory…
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End-of-unit activities - Nutrition, breathing and circulation
EduBook Organización
- 3280 visitas
Our body needs nutrients and oxygen to live and grow. We obtain nutrients from food, and oxygen from the air. In our body, the digestive system gives us the nutrients that we need, and the respiratory…
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Complete. The mouth, stomach and intestines
EduBook Organización
- 3264 visitas
Complete this text with the correct words: After we have chewed our food, the tongue pushes it from the mouth to the . Food then moves down the which is a muscular tube that leads to the . This organ is…
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End-of-unit evaluation - Nutrition, breathing and circulation
EduBook Organización
- 3190 visitas
Our body needs nutrients and oxygen to live and grow. We obtain nutrients from food, and oxygen from the air. In our body, the digestive system gives us the nutrients that we need, and the respiratory…
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Before you start - Nutrition, breathing and circulation
EduBook Organización
- 2834 visitas
Didactic objectives Understand the functions of food and recognise how it differs from nutrients. Classify common foods in the six major food groups. Identify the different parts of the digestive system…
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