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XI. Listen to the text, retell it in Russian:

Vocabulary notes.

dense [΄dens] – плотный

to impregnate [΄impregneit] – пропитывать, внедрять

shell [∫el] – оболочка

solid [΄sɔlid] – твёрдый, прочный, плотный

to arrange [ə΄reindʒ] – располагать, организовывать

meshwork [΄me∫wə:k] – петлистая сеть

bar [ba:] – полоса, тяж, перегородка

periosteum [ˌperi΄ɔstiəm] – надкостница

endosteum [en΄dɔstiəm] – внутренняя часть кости

medulrary [΄medələri] – 1)мозговой, 2)срединный

XII. Study the amazing facts about the bones:

FACTOIDS.

  1. You have 206 total bones in your body.

  2. 14 bones are in your face.

  3. 8 bones are in each wrist.

  4. 23 bones are in each foot including the ankle.

  5. Your bones consist of 50% water and 50% solid matter.

  6. When you were born you had over 300 bones. As you grew, some of these bones began to fuse together and now you have 206 bones.

  7. The longest bone in your body is a thigh bone. It is about ¼ of your height.

  8. Did you know that humans and giraffes have the same number of bones in their necks? - Giraffe neck vertebrae are just much, much longer.

  9. Our bone is six times stronger than steel if both are of the same weight.

  10. The size of the smallest bone is equivalent to the size of a rice grain.

  11. Your skull, a series of fused bones, acts like a hard protective helmet for your brain.

  12. When there s not enough calcium in the bloodstream, the body attempts to pull calcium from the bones, which thins and weakens them. This causes osteoporosis, which leads to breaks and fractures.

  13. Osteoporosis affects 10 million Americans, mostly women.

  14. An additional 18 million Americans already have low bone mass, osteopenia, which places them at high risk.

  15. By the age of 20, the average young person has acquired roughly 98% of his/her skeletal mass.

  16. Calcium helps prevent breast and colon cancer, reduces the symptoms of PMS, prevents cavities and strengthens tooth enamel, reduces hypertension and lowers blood pressure, and helps promote weight loss.

  17. America is in a Calcium Crisis: 9 out of 10 women, 7 out of 10 men, and 3 out of 4 teenagers do not get enough calcium.

LESSON 12

Human Musculoskeletal System

Muscles ( Part III )

I.Запомните правило:

1.Суффикс-ness образует существительные от прилагательных. Существительные выражают состояние, качество или степень

e.g. aware [ə`wɛə ]-сознающий, знающий

awareness [ə`wɛənis]- осознание, осведомлённость

Прочтите и переведите на русский язык следующие существительные:

* redness, whiteness, coldness, weakness, breathlessness, dryness, sleeplessness, unpreparedness, kindness, darkness, bitterness, aggressiveness, effectiveness, loudness, sadness. warm-heartedness, readiness, badness, smoothness, straightness, illness;

2 .Суффикс-hood [hud]-обычно образует существительные от других существительных:

e.g. сhild [t∫aild]-ребёнок, дитя

сhildhood [΄t∫aildhud]-детство

Прочтите и переведите на русский язык следующие существительные, пользуйтесь словарем, если необходимо:

adulthood, brotherhood, motherhood, fatherhood, manhood, neighbourhood, likelihood, priesthood, nationhood, boyhood.