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课件网) Lesson 2 Brain power Unit 9 Human Biology Activate and share How much do you know about the brain Different areas of the brain are responsible for different functions. 额叶 顶叶 颞叶 枕叶 小脑 协调 Match the words from the box with their definitions. atom nerve billion cell organ ( ) 1. one thousand million ( ) 2. a part of the body that has a particular purpose, e.g. the heart ( ) 3. the smallest piece of something that can exist alone ( ) 4. a tiny part of the body that helps carry messages to and from the brain ( ) 5. a unit of living matter billion organ atom nerve cell Before listening to a lecture about the brain, read the statements and write T (true) or F (false). ( ) 1. The brain consists of only white matter. ( ) 2. The brain weighs just over a kilo. ( ) 3. The brain contains about one billion cells. ( ) 4. The brain uses 10% of the body’s energy. ( ) 5. The brain sends messages in the same way as a computer works. ( ) 6. There are more possible connections in your brain than there are atoms in the universe. F T F F T T Listen to the lecture and check your answers to Activity and correct the false ones. 1. The brain consists of only white matter. 2. The brain weighs just over a kilo. 3. The brain contains about one billion cells. 4. The brain uses 10% of the body’s energy. 5. The brain sends messages in the same way as a computer works. 6. There are more possible connections in your brain than there are atoms in the universe. grey and white matter. over one hundred billion cells. 20% F F F Listen again. Complete the information you hear about the brain. Then tell your partner what you have learnt about the brain. What matter does it consist of Grey and white matter How much does it weigh How much body’s energy does it use How many cells does it contain just over a kilo 20% over one hundred billion cells How are messages sent The brain cells make up _____, which are connected by _____. The brain sends messages using _____. nerve cells electrical impulses electrical impulses What have we learnt about the brain in the last ten years There are different areas in the brain, which are _____. We now know which parts of the brain _____ different parts of our _____ from them. The brain also has different areas for different kinds of _____. You have one area for your _____ and another area for _____. responsible for different functions are related to body and feelings thinking first language a foreign language that you learn when you are older Complete the summary with the words from the lecture. The brain consists of 1. _____ matter. It weighs 2. _____. It uses 3. _____ of the body’s energy. It contains over 4. _____ which make up nerve cells. These nerve cells are connected by electrical impulses. There are more possible connections in one brain than there are 5. _____. grey and white just over a kilo 20% one hundred billion cells atoms in the universe Scientists have mapped d ... ...
