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.

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.

Accepted Answer

**Solution:**

1. The phrase in bold is "constantly communicated with each other".

2. The verb "communicated" is in the past participle form and is incorrectly used here because neurons do not get communicated with; rather, they communicate.

3. The correct phrase should be "constantly communicating with each other" to indicate ongoing action.

4. Other options like "constantly communicating on", "irregular communicating with", and "harsh communicating with" are either grammatically incorrect or do not fit the context.

**Answer:** The correct replacement is **constantly communicating with**.

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