高中英语Unit 21 Human Biology Warm up课件北师大选修7

1、2021/8/11 星期三12021/8/11 星期三2In this unit you will Read newspaper and magazine articles and use reading strategies to complete texts with paragraph gaps . 2. Talk about issues related to health and medical advances .2021/8/11 星期三33. Listen to monologues , dialogues , a lesson , a radio phone-in , a T

2、V program and use listening strategies for completing gaps in texts .4. Write a discursive essay . 5. Revise and learn more about conditional sentences .2021/8/11 星期三4Key WordsLook at the following statements and decide which part of the body is described .ankle , brain , eye , heart , kidney , bone

3、 , knee ,liver , lungs , muscle , ribs , spine , stomach , wrist , fingers Key Words : The Body2021/8/11 星期三5This organ weighs about a kilo and is made up of two sides . It is like a super computer that processes information . This is about the size of a closed hands . Its job is to break down the f

4、ood we eat so that we have energy and can be healthy and strong .brainstomach2021/8/11 星期三6This organ beats 100,000 times a day . With each beat it moves 80 milliliters of blood thats 8,000 liters of blood per day ! It pumps blood into the lungs , where it receives oxygen , before being pumped aroun

5、d the rest of the body .heart2021/8/11 星期三7This is very delicate organ . Its moved by 6 muscles and consists of various different layers . Light enters and reaches special light sensitivecells .This works like a camera and finally sends signals to the brain .eye2021/8/11 星期三8These organs absorbs oxy

6、gen and get rid of carbon dioxide . They are situated on either side of the heart . They receives air as a result of breathing and when blood passes through , They give it oxygen . lungs2021/8/11 星期三9kneemusclespineribKey WordsLook at the pictures and tell which parts of the body they are .2021/8/11

7、 星期三10boneanklewristfingerskidney eye2021/8/11 星期三11heartliverlungsstomachbrain2021/8/11 星期三12Key WordsFind six key words to label the parts of the body in the diagram .2021/8/11 星期三13liverbrainlungsstomachheartkidney2021/8/11 星期三14 Test Your Body Machine Memory . Write down 5 telephone numbersand g

8、ive them to your partner to look at for30 seconds . How many can she he remember ?Heart . Find the pulse on your partners Wrist . How many times dose his her Heart beat in 1 minute ? (The slower his her pulse is , the more relaxed he her is .) 2021/8/11 星期三15 Do You Look After Yourself ? 1.How many

9、hours do you sleep per night ?under 6 hours b) about 7 or 8 hours c) more than 9 hours 2.How often do you clean your teeth ?once a day b) twice a day c) after every meal 2021/8/11 星期三163.How often do you do physical exercise, enough to make you out of breath ? never b) once a week c) two or three ti

10、mes a week 4.How often do you eat sweets or chocolate never b) sometimes c) every day 5. How many pieces of fresh fruits do you eat per day ?a) One or two b) more than two c) none2021/8/11 星期三17Check your answers to the questionnaire .1. a) You probably arent getting enough sleep . b) 7 or 8 hours p

11、er night is sufficient for most people . c) you are a sleepy head , arent you ?2. a) Once a day is not enough ! b) Once in the morning and once at night is probably OK . c) Very good . Dentists recommend cleaning teeth after every meal .2021/8/11 星期三183. a) You should take up some kind of sport ! b) Good-once a week is better than never . c) Excellent ! You must be very fit .4. a) Well done . You probably save lots of money on dentist bills . b) Well , every now and then is OK . c) You should cut down .5. a) Goo