Recursos educativos human body página 135

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Summaries - The Animal Kingdom (II). Vertebrates
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1. Fish Fish are perfectly adapted to aquatic life. There are two main groups of fish: bony fish and cartilaginous fish. Most fish are bony fish such as hake, salmon and trout. Sharks and manta rays are…
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True / False. The heart
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Are these sentences true or false? The heart is the organ that pumps blood to all the cells in our body. The heart is about the size of a football. The walls of the heart are made of muscle tissue. The…
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Sponges, cnidarians and echinoderms
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Sponges Sponges are the simplest type of animal that exists. They live in water and are attached to rocks on the seabed. Sponges are often irregular in shape. Their bodies have lots of small holes that…
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Autoavaluació T15 02 - L'art del segle XX
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Tria'n la resposta correcta: Què és la Bauhaus? Com es deia l'escola a la qual pertanyien els artistes alternatius als moviments d'avantguarda? En quina dècada va sorgir la tendència…
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Choose. The absolute monarchy
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Match the definition with the correct concept of absolute monarchy: Status of the monarch as maximum authority over all inhabitants of the kingdom. Doctrine that justifies the authority and legitimacy…
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Unit 9: Motion and forces
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Accelerate (v): to go faster; to increase in velocity. apparent weight (n): the total sum of forces acting on a body. area (n): a quantity which expresses the extent of a twodimensional surface.…
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Did you know?...Coevolution
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Coevolution is the process of evolution where some plants and animals evolve in a way that affects another organism. Some animals have developed a part of their body to help them drink nectar from…
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Urination
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The urinary system The urinary system is the group of organs that expels waste products from our body. The blood collects these waste products from the cells. The urinary system consists of the kidneys,…
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Fish
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The most primitive group of vertebrates are fish. They are also the most numerous. All fish live in water. Characteristics of fish The body of a fish is elongated and pointed at the ends. It is very…
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Forms of energy
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1.1. Energy Energy is a property of matter which gives it the ability to produce change in its own physical and chemical properties and in those of other bodies. 1.2. The main forms of energy The main…
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