English 8 · Unit 6: Natural wonders · Cambridge Global English Stage 8

Questions

1. 1. A part of the body that has a special purpose, such as the brain, the heart or the lungs, is an ____.

   • cell
   • muscle
   • neuron
   • organ
   Check

2. 2. The smallest living part of an animal or plant is a ____.

   • muscle
   • cell
   • organ
   • spinal cord
   Check

3. 3. A nerve cell that carries messages between your brain and other parts of your body is a ____.

   • signal
   • organ
   • muscle
   • neuron
   Check

4. 4. The set of nerves down the centre of your back that carry messages from your brain is the ____.

   • spinal cord
   • muscle
   • neural pathway
   • heart
   Check

5. 5. You use your ____ when you move; they connect your bones together.

   • neurons
   • muscles
   • organs
   • cells
   Check

6. 📖 This question is about a text that students read in the app.

   6. How much does the human brain weigh?

   • around 130 g
   • around 13 kg
   • around 3 kg
   • around 1.3 kg
   Check

7. 📖 This question is about a text that students read in the app.

   7. About how many neurons does your brain contain?

   • about 3,000
   • about 240
   • about 100 million
   • about 100 billion
   Check

8. 📖 This question is about a text that students read in the app.

   8. A bee lands on your foot. Which neurons carry this information to your spinal cord and brain?

   • motor neurons
   • heart neurons
   • muscle neurons
   • sensory neurons
   Check

9. 📖 This question is about a text that students read in the app.

   9. How fast can motor neurons send a message back to your foot?

   • about 3,000 km/ph
   • more than 240 km/ph
   • about 1.3 km/ph
   • more than 320 km/ph
   Check

10. 📖 This question is about a text that students read in the app.

    10. According to the article, what happens to your brain when you learn to ride a bike?

    • It loses neurons.
    • It gets heavier.
    • It forms new connections and its structure changes.
    • It stops working while you ride.
    Check

11. 📖 This question is about a text that students read in the app.

    11. Why might exercise help you with tricky homework?

    • Exercise makes you forget the problem.
    • Exercise makes the brain heavier.
    • After exercise, the body produces a chemical that makes the brain more willing to learn.
    • Exercise makes the brain stop thinking for a while.
    Check

12. 📖 This question is about a text that students read in the app.

    12. Who called the brain "the most complex thing we have yet discovered in our universe"?

    • Charles Darwin
    • James D. Watson
    • Isaac Newton
    • Albert Einstein
    Check

13. 13. Complete the collocation: neural ____

    • cord
    • signals
    • pathway
    • organ
    Check

14. 📖 This question is about a text that students read in the app.

    14. The pianist's brain sends instructions along the spinal cord to the ____ in the fingers.

    • neurons
    • muscles
    • memories
    • organs
    Check

15. 📖 This question is about a text that students read in the app.

    15. What does the pianist's brain process the information through?

    • the muscles in the fingers
    • the sheet of music
    • microscopic cells called motors
    • microscopic cells called neurons
    Check