physiological

Neurons in worms react to their surroundings in much the same way, triggering physiological changes.

Even hearing his name can trigger a physiological response.

Using a combination of physiological tests, live imaging, and genomic analysis, the research team uncovered how T. oblongifolia coordinates multiple biological systems to survive.

This physiological effect, which occurs when your body decides whether it needs to confront, flee or freeze in response to what it perceives as imminent danger, increases your heart rate, adrenaline levels and anxiety.

For me, it’s mental, not so much physiological.