Cover of the textbook Cutting Edge Upper-Intermediate - Student's Book

The key answer of exercise Practice 2

The key to exercise solutions in chapter 04 - Language focus 1 for the textbook Cutting Edge Upper-Intermediate - Student's Book with authors Sarah Cunningham, Peter Moor and Jonathan Bygrave from Pearson Education

Question

Do the exercise on page 126.

Answer

  1. -
  2. You can only see brain cells with a microscope.
  3. We still don't know exactly how many aspects of the human brain work.
  4. People often think that the right side of the brain is the 'artistic' side.
  5. In fact, we use both sides of the brain when we listen to music.
  6. Someone has calculated that messages in the brain travel at over 250 kilometres per hour!
  7. In ancient times, people believed that the purpose of the brain was to cool the blood.
  8. They are doing research into how the brain is formed.