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Recursos educativos
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True/False. The nervous system
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Are these sentences true or false? The central nervous system consists of two organs: the brain and the spinal cord. The brain is also called the cranium. The human nervous system has two main parts:…
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The first humans. The Palaeolithic Age
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1.1. Human evolution About six million years ago in Africa, some primates began to adapt to new climatic conditions. These first hominids evolved over time into human species. The most important changes…
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From Australopithecus to Homo Sapiens Sapiens
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There are two groups within the Hominid family: Australopithecus and Homo. The oldest Australopithecus was found in Kenya and is believed to be four million years old. The cranium was very small (about…
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Summaries - Animals
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1. Vertebrates Vertebrates are the group which contains the human species. They have an internal skeleton, made of bones. The name comes from the vertebrae, which make up the spine (backbone), which…
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Learn. Dissect a lamb's brain
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We can see what the inside of a human brain is like if we look at the brain of another mammal. Here we will look at a lamb's brain. What do we need? A lamb's brain A small tray Tweezers A knife…