The nervous system
Right now, you are reading these words and you understand them. If you see food when you are hungry, your mouth starts to water. If you burn your hand, you move it away immediately. You automatically do these things because of your nervous system. The function of the nervous system is to receive information from our five senses and from inside our body. [...]
Esta secuencia contiene:
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8 actividades
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54 recursos
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Idioma:
- Inglés
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Formato:
Interactivo
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Secuencia didáctica
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Didactic objectives Identify the main parts of the central nervous system and recognise the different types of nerves. Explain the functions of the nervous system and understand how these relate to everyday activities. [...]
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1. The nervous system The nervous system has two main parts: The central nervous system which consists of nervous centres which are all connected to each other: the cerebrum, the cerebellum, the brain stem and the spinal cord. [...]
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Right now, you are reading these words and you understand them. If you see food when you are hungry, your mouth starts to water. If you burn your hand, you move it away immediately. [...]
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The nervous system has two main parts: the central nervous system and the nerves. [...]
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Neurons The nervous system consists of special cells called neurons (or nerve cells). Each neuron has many short nerve extensions, called dendrites. One of the extensions is longer than the others. This is called an axon. [...]
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The cerebrum The cerebrum is the most important nervous centre. It contains over 10 billion neurons and represents 80% of the volume of the brain. The outer surface, which is 1.5 to 4 millimetres thick, is called the cerebral cortex. [...]
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Right now, you are reading these words and you understand them. If you see food when you are hungry, your mouth starts to water. If you burn your hand, you move it away immediately. [...]
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Right now, you are reading these words and you understand them. If you see food when you are hungry, your mouth starts to water. If you burn your hand, you move it away immediately. [...]
Cursos y asignaturas
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