Unit 9 Lesson 2 Brain Power 课件-2023-2024学年高中英语北师大版（2019）选择性必修第三册

新北师大版高中英语选择性必修三Unit 9 Human Biology Lesson2 Brain Power Match the words with their definitions. atom nerve billion cell organ A. one thousand million B. a part of the body that has a particular purpose, eg. the heart C. the smallest piece of something that can exist alone D. a tiny part of the body that helps carry messages to and from the brain E. a unit of living matter Words review brain lungs stomach heart liver kidney Lead-in Watch an video about the brain, write down the names of different parts and their functions. cerebrum/seˈriːbrəm/ take up to 85% of your brain. thinking part, control your musle cerebellum/ˌserəˈbeləm/ maintain your balance and regulate motor movements brain stem connect to the spinal cord breathing, digesting, hear rate amygdala/əˈmɪɡdələ/ responsible for emotion, survival instincts, and helps to store memories of events Pre-listening 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. Listen to the lecture and check your answers. ( )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. T F F T F T While-listening While-listening Listen and answer the first four questions. grey and white matter over 1 kilo 20% over 100 billion cells While-listening Listen and fill in the blanks. How are messages sent? The brain cells make up _____ ____, which are connected by _________ ________. The brain sends messages using them. 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 __ ______ _________ that you learn when you are older. a foreign language nerve cells electrical impulses responsible for different functions thinking first language are related to body and feelings Combine the video and this table to introduce the brain to your patrtner.(Group work) cerebrum/seˈriːbrəm/ take up to 85% of your brain. thinking part, control your musle cerebellum/ˌserəˈbeləm/ maintain your balance and regulate motor movements brain stem connect to the spinal cord breathing, digesting, hear rate amygdala/əˈmɪɡdələ/ responsible for emotion, survival instincts, and helps to store memories of events Brainstorm What questions do you want to ask? Since you have a better understanding of our brain, and there is a brain expert, what questions do you want to ask about? Listen to a student phone-in programme, and write down their questions. What problems do they have？ What can they do? Anna:___________________________________________________________________ ______________________ ______________________ ______________________ John:_______________________________________________________________________________________________ _________on junk food, ________________ of Omega-3 fats Bella: _________________________ ___________________________________________________________________________ _____________________ _____________________ _____________________ Memory isn’t as good as it used to be, so do brain exercises really work? Exams are coming up, so he wonders if there are certain foods that are good for the brain. Is there any particular kind of exercise that can improve the health of her brain? Listen again and write down the advice challenge their brain with learning new things they are not good at cut down increase the intake do exercise that is good for the heart, such as walking and running So what can we do for our brain? Eat healthy foods. They contain vitamins and minerals that are important for the nervous system. Get a lot of playtime (exercise). Wear a helmet when you ride your bike or play other sports that require head protection. Don't drink alcohol, take drugs, or use tobacco. Use your brain by doing challenging activities, such as puzzles, reading, making art, or anything else that gives the brain a workout! Homework Write a short paragraph to introduce the brain. 1. combine the video and the table 2.how to improve the health of our brain 必刷L2 132576.55 35369.94 180777.17 $$