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.
Source(s): http://www.indiastudychannel.com/resourc... The circulatory system works very closely with the 'lymphatic system'. The lymphatic system basically collects all of the nutrients and good stuff that accidentally diffuses out of the blood vessels and takes the back to the heart to get reabsorbed.