BRAINPOWER QUIZ
Test your knowledge about the brain in this challenging brainpower test...
   
   

1) What is the average weight of the human brain?

a) 6lbs
b) 1.5lbs
c) 3lbs
d) 4lbs

2) Which neurotransmitter is responsible for memory?

a) Dopamine
b) Acetylcholine 
c) Seratonin
d) Noradrenalin

3) Which part of the brain is the seat of emotions?

a) Limbic brain
b) Cerebral Cortex
c) Brain Stem
d) Frontal Lobe

4) What is the network of nerve fibres connecting the left and right hemispheres called?

a) Hypothalamus
b) Amygdala
c) Neuron
d) Corpus Callosum

5) Which type of brain cell carries information to the muscles and glands?

a) Interneuron
b) Sensory neuron
c) Motor neuron
d) Pyrimidal cell

6) Approximately what percentage of the brain is water?

a) 30%
b) 70%
c) 75%
d) 55%

7) What do dendrites do?

a) Send information to neighbouring neurons
b) Store information in the neuron
c) Make myelin
d) Receive incoming signals from neighbouring neurons

8) How many neurons does the brain contain approximately?

a) Million million
b) Trillion
c) Million billion
d) Hundred million

9) What is the point at which one neuron connects to another neuron called?

a) Axon
b) Synapse
c) Dendrite
d) Nucleus

10) What percentage of oxygen being pumped around the body is used by the brain?

a) 15%
b) 20%
c) 25%