Task 1. Answer the questions. 2) What problems can people have if their 24-hour rhythm is interrupted?

1) What are Biorhythms?

2) What problems can people have if their 24-hour rhythm is interrupted?

3) What three biorhythmic cycles have scientists identified?

4) Which is the weakest part of a cycle?

5) How long does each cycle last?

Task 2. Give Russian equivalents:

flesh, blood, century, medical scientists, made a discovery, vice versa, internal "body clock", regulate, rise, fall, body energy, accident, dominate, cycle, feel, tired, fall asleep, awake, prove, interrupt, experience, unpleasant, identify, biorhythmic, physical, emotional, intellectual, approximately, be divided into, low energy period, resistant, illness, tire, high energy period, critical, weakest time, change-over, experience.

Task 3. Complete the sentences with words from task 2.

Task 4. False or true?Correct, if it is necessary.

1) At the beginning of the 20-th century medical scientists were able to demonstrate that people have an internal "body clock".

2) Internal "body clock" regulates the rise and fall of our body energies.

3) Lives of most living things are dominated by the 24-hour night-and-day cycle.

4) Scientists have identified five biorhythmic cycles.

5) Each biorhythmic cycle lasts approximately 20 days.

6) Each biorhythmic cycle is divided into a high energy period and a low energy period of equal length.

7) During the low energy period we are less resistant to illness and tire more easily.

8) During the high energy period of a physical biorhythm we are more resistant to illness, better coordinated and more energetic.

9) "Critical" or weakest time usually lasts a day.

10) Human bodies aren`t individual and so we each have our own biorhythmic experience.

Task 5. Complete the sentences.

1) Medical scientists made a surprising ...

2) Medical scientists were able to demonstrate that people have an internal "...".

3) Lives of most living things are ... by the 24-hour night-and-day cycle.

4) Scientists have identified three ... cycles: physical, emotional and intellectual.

5) Each cycle lasts ... 28 days.

6) Each cycle is divided into a high energy period and a ... period of equal length.

7) During the low energy period people are less ... to illness and tire more easily.

8) During the high energy period of a physical biorhythm people are more resistant to ..., better coordinated and more energetic.

9) "Critical" or ... time usually lasts a day.

10) Human bodies are individual and so we each have our own ... experience.

Task 6. Ask your friend about biorhythms. Use Task 1.

Energy for Healthy Live

Vocabulary

eating habits affect feel

happen ring of truth well-known saying

food fuel resist

disease teeth bones

fresh fruit vegetable

health sailor voyage

ashore suffer scurvy

be caused by lack of vitamin C muscle

meat egg raw fish

poultry skin body

milk cheese carrot

eye without any cooking raw fish

chew dig healthy diet

fast food snacks junk food

Do you think our eating habits affect how we feel during the day? What happens if you have no breakfast, or poor breakfast?

There is a ring of truth in a well-known saying: “A man is what he eats". Food is our fuel. Food gives us energy, helps us to grow, resist disease and form strong teeth and bones.

Fresh fruit and vegetables are very important for our health. In the past, sailors (who went on long voyages) stayed on their ships for many months without going ashore. They did not get fresh food and so often suffered from a disease called scurvy. Scurvy is caused by a lack of vitamin C, which is found in fruit and vegetables.

But no single food can take care of all our body's need. Different foods do different things for the body. Some foods are better than others in helping make strong muscles. Among them are meats, eggs, fish, and poultry. Some foods are better than others in helping keep bones, teeth, skin, and body healthy. Among these foods are fruit, vegetables, milk, and cheese. Carrots are good for eyes.

Almost all food can be eaten without any cooking at all. Most people eat raw fruit and raw vegetables in salads.

The Japanese particularly like raw fish. However, some foods are much softer and easier to chew and digest if they have been cooked.

But nowadays it may be difficult to follow a healthy diet because there are so many kinds of food from which to choose - fast food, snacks, junk food.

Task 1. Answer the questions.

1) Why do we say that food is a form of fuel?

2) When can man suffer from scurvy?

3) What foods help make strong muscles?

4) What foods help keep bones, skin, and body healthy?

5) What are carrots good for?

6) Why is it not easy to follow a healthy diet in modern life?

7) Do you follow a healthy diet? Describe your daily eating routine.

Task 2. Give Russian equivalents:

fish, poultry, eating habits, affect, feel, happen, body, milk, cheese, carrot eyes, truth, well-known, saying, food, fuel, resist, disease, teeth, bones, fresh fruit, vegetables, health, sailor, voyage, ashore, suffer, scurvy, be caused by, lack of vitamin C, muscle, meat, eggs, skin, without any cooking, raw fish, soft, chew, dig, healthy diet, fast food, snacks, junk food.