It's basically a way of sucking up to someone and it's almost as annoying and shallow as when girls post shit like omg stop being so perf! and then of course the required response is no that's you bb ð and it goes back and forth like that.
Temperature receptors. The sensory system involved in perceiving the changes in skin temperature begins with free nerve endings found in the dermal and epidermal layers of skin that can be functionally classified as cold and warm thermoreceptors.
The cardiovascular system also contains sensors to monitor blood pressure, called baroreceptors, that work by detecting how stretched a blood vessel is. This information is relayed to the Medulla Oblongata in the brain where action is taken to raise or lower blood pressure via the autonomic nervous system. Lymphatic System