A stroke occurs when a blood vessel in the brain becomes blocked or ruptures. One possible symptom of a stroke is the loss of the ability to speak normally. Based on this symptom, which type of tissue in the brain is most likely affected by a stroke?

Speaking depends on brain cells that process language and send signals to control speech. These cells are part of nervous tissue, so damage affecting the ability to speak normally most likely involves nervous tissue. Connective, epithelial, and muscle tissues do not carry out the brain’s language-processing functions.

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