Research suggests that brain levels of the neurotransmitter ...

[Coya19@aol.com]

Research suggests that brain levels of the neurotransmitter dopamine tend to be higher in introverts than in extraverts.
 
  Indicate whether the statement is true or false

Question 2

The surface of the cerebrum-the cerebral cortex-is wrinkled, or convoluted, with ridges and valleys. These valleys are known as _____.
 
  A) synaptic clefts
  B) fissures
  C) ducts
  D) hemispheres

[mohan]

Answer to Question 1

False

Answer to Question 2

B