2 Del Resitve - Biologija 8

Lena placed a hand on a cold, metal railing. The touch sent a signal racing up her spinal cord—through sensory neurons—straight to her somatosensory cortex. Cold. Smooth. Solid. The touch was an anchor. Her brain used this new data to override the false feeling of tilting.

She stood up slowly. Her legs felt wobbly, not because she was scared, but because her brain was missing its usual cheat sheet. Deep inside her muscles and tendons, tiny receptors——were firing off frantic signals. Left knee is bent at 110 degrees. Right ankle is stable. The quadriceps are tensing. biologija 8 2 del resitve

“That’s your vestibular system recalibrating,” Mr. Kovač had explained earlier that week. “The fluid in your inner ear’s semicircular canals is sloshing around, telling your brain you’re moving. But without visual confirmation, your brain panics. It’s a conflict of information.” Lena placed a hand on a cold, metal railing