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PNS vs SNS

The provided transcript is not about PNS vs SNS (Parasympathetic Nervous System vs Sympathetic Nervous System). It only contains repeated calls to subscribe to YouTube channels: "Ghiền Mì Gõ" and "La La School". Therefore, a summary about PNS vs SNS cannot be generated from this transcript. The transcript is purely promotional and lacks any content related to the requested topic.

To create the summaries you requested, I would need a transcript that actually discusses the PNS and SNS. Please provide a transcript that covers the Parasympathetic and Sympathetic Nervous Systems.