In the following sentence, a phrase is given in bold which may contain an error. Choose the option that correctly replaces the bold phrase. If the sen...
Question
In the following sentence, a phrase is given in bold which may contain an error. Choose the option that correctly replaces the bold phrase. If the sentence is correct as it is, select 'No improvement required'.
The complex human brain is made up of billions of neurons, which are constantly communicated with each other.