Indentations or furrows on the surface of the brain are called _________________.
 | |
 |
fissures; |
 |
sulci; |
 |
gyri; |
 |
callosums; |
 |
both a and b are correct alternatives; |
INCORRECT - This is nonsensical in this context.
[Review Part 1 of the tutorial] [Review Part 2 (Matching) of the tutorial]