a network of nerves or blood vessels that are closely woven together in the body, especially forming a branching system.
From Latin 'plexus,' the past participle of 'plectere,' meaning 'to braid or weave.' The word describes how nerves and vessels intertwine like braided strands.
Your body has a solar plexus, a huge bundle of nerves near your stomach that's so sensitive it's called your 'second brain'—this is why a punch to the gut literally knocks the wind out of you by disrupting nerve signals.
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