Vasoconstriction. The blood vessels in the fingers constrict.
A sign of healthy nerves. It’s a sign of healthy nerve function.
A survival mechanism. It’s a survival mechanism.
A function of the nervous system. It’s a function of the autonomic nervous system.
The Evolution of Wrinkled Fingers
Better grip. Wrinkles improve grip on wet surfaces.
A survival advantage. It’s a survival advantage.
An evolutionary trait. It’s an evolutionary trait.
A common response. It’s a common response in humans.