Unit 7 Digestive system Task 1 a) What parts of the digestive system do you know? In pairs, write down as many as possible. b) Order these steps in the process of digestion by numbering them 1-7. a. Salivary glands in the mouth produce enzymes. ___ b. Digestive juices which include powerful acid attack food in the stomach. ___ c. When the food is in the small intestine, juices from the pancreas and bile from the gall bladder dissolve undigested fat.____ d. Food, in a liquid paste form, enters the colon where it removes water. ____ e. Bowel movement expels faeces. _____ f. The first swallow starts the muscle action and pushes food through oesophagus.___ g. The food, now in a semi-solid state, slowly empties into the small intestine.____ Task 2 Listening (How the food you eat affects your brain: https://www.youtube.com/watch?v=xyQY8a-ng6g) Play 0:01 – 3:00 Discuss: What kind of diet do you consider to be the healthiest? Watch the video and answer the questions: - What is the brain matter made up of? - Why are omega 3 and 6 superstars among fats? What food can we get them from? What are the bad fats? - How do amino acids affect us? - How can we prevent mood swings? - Give examples of micronutrients. Why are they useful? What happens if there is a deficiency? After you watch: Do you understand the collocations? Use them in sentences. to compromise health susceptible to disease mental decline trace amounts cognitive development Task 3 Case study Read the case history and answer the questions. 1. What signs and symptoms made Mrs Jobarti realize that she had a problem? 2. What treatment did the healer give her? 3. What did the doctor recommend? 4. What happened to Mrs Jobarti’s stool samples? Speaking – Useful phrases. Complete the phrases with the words given. Expressing opinion in far way would say point seems I think that/ I would ______ that … It ______ to me that … I’d like to ________ out… The ______ I see it is that … I’m convinced that … As ____ as I am concerned… _______ my opinion/experience… If you ask me, I _____ say that … Clarifying your ideas trying make was talking let What I’m _____ about is … What I (really) meant _______ … What I was _______ to say was … Sorry, _______ me explain it again. Sorry, I obviously didn’t ______ myself clear, what I wanted to say was … Agreeing so about point more be I totally/fully/partly agree I couldn’t agree _______. There is no doubt ________ it. Exactly. You have a very good _____ here. I think _____ too. Yes, definitely. You may/could _____ right but ….. Disagreeing say think sure case serious so mean up I don’t think ____. But don’t you ______ that…? I see what you _______, but… That’s not always the ________. I suppose so, but… I’m not so ______ about that. I wouldn’t ______ that. I agree ______ to a point, but… You can’t be _______! Rubbish!/Nonsense! Task 4 Word formation a) Give examples of nouns with the following suffixes: -er/-or: -er and –ee: -(t)ion/-sion: -ition/-ation: -ness: -ment: -ity: -ance/-ence: -y: b) Form noun from the verbs: free choose grow know laugh lose marry please sell speak think friend appear behave constipate c) Form nouns from the following verbs, then fill the gaps in the exercise below with suitable forms of the words. absorb, consume, contract, convert, detoxify, eliminate, expand, ingest, secrete, stimulate Task 5 What do you call…? - runny (liquid) faeces - a type of indigestion, the burning sensation eases by eating baking soda (sodium bicarbonate) - the feeling of being sick, sometimes involves vomiting - a feeling of cold, with shivering - being tired, exhausted - pills that stimulate bowel movements - eating too much at once, usually junk food - the condition of being unable to get rid of waste material from the bowels easily