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Rearrange the given parts in the correct sequence to form a meaningful sentence:

(A) thoughts, emotions, and bodily functions

(B) making it the body's control centre

(C) neurons that communicate constantly enabling

(D) the human brain contains around 86 billion

Choose the correct answer from the options given below:

Solution

✅ Correct Option: 4

Option 4: (D), (C), (A), (B) → This creates a logical flow: "The human brain contains around 86 billion neurons that communicate constantly enabling thoughts, emotions, and bodily functions making it the body's control centre" - starts with the subject (brain), follows with description (neurons), explains their function (enabling thoughts/emotions), and concludes with the result (control centre) → correct


The other options create grammatically incorrect or illogical sentence structures that either start awkwardly with dependent clauses or fail to establish proper subject-verb relationships.

Hence, Option 4: (D), (C), (A), (B) → The sentence flows naturally from introducing the brain and its neurons, to explaining what they enable, to concluding why it's the control centre → correct

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