Recursos educativos body decoration página 71

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Unit 1: Our planet Earth
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Asteroid (n): a small body of rock and metal that orbits the Sun. axis (n): the imaginary line that the Earth spins on. Earth (n): the planet on which we live. equator (n): an imaginary line that…
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Complete. Blood vessels
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Complete these sentences with the correct words: Blood circulates around our body through tubes called . Arteries carry blood containing oxygen from the to the capillaries. The are narrow blood vessels…
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Air and life
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We need air to breathe Humans and other animals that live on land need air to live. When we breathe, we take oxygen from the air. With this oxygen and with the food we eat, our body has the energy it…
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The five groups of vertebrates
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Fish have an elongated body and swim using their fins. Amphibians live part of their life in water. Their skin is moist and slippery. Reptiles crawl to move around. Their bodies are covered with hard…
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Adrenaline prepares for action
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In situations of danger or fear, the adrenal glands produce a hormone called adrenaline. This prepares the body for action, like running or hiding. This is called the fight or flight response.…
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Comprehension check (KET)
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Read the paragraphs and choose the best word for each space. There is an example at the beginning. The beautiful young woman was called Emilia Lucca. She was Gennaro Lucca's wife. When she saw…
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Blood circulation (II)
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The heart The heart is the organ that pumps blood to all the cells in our body. It is about the size of a closed fist. Its walls are made of muscle tissue. The heart contains four chambers: The two top…
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Answer. Unicellular and multicellular organisms
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Remember what you have studied in this section and answer the questions: What are organisms made up of a single cell called? How do they reproduce? What do we call living things that are made up of many…
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Learn. Measure your heart and breathing rates
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What do we do? Our circulatory and respiratory systems are constantly adapting to our body's needs. You can test this with the following experiment. While you are resting, check your pulse and count…
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Fish
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1.1 Characteristics of fish Fish are perfectly adapted to aquatic life. They are the most numerous and diverse group of vertebrates. There are two main groups of fish: bony fish and cartilaginous fish.…
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