Aim:
Our senses are responsible for receiving information in the outside environment and sending it to our central nervous system, where this information is then interpreted. Organs such as the skin, known as sense organs, have specific neurons named receptors, which are each responsible for responding to specific types of stimulus. The receptors responsible for identifying our sense of touch are distributed over the skin entire surface area. However the receptors are grouped together closer in some specific areas of the body compared to others. Not only that but these receptors also may be more sensible in one area and therefore respond more …show more content…
The Cold receptors start to understand cold when the skin’s surface drops below 35°C, but are most alerted when the surface of the skin is at 25°C and stop being stimulated when the surface of the skin drops below 5°C. This is why one would feel their hands or feet start to go numb when submerged in extremely cold water for a long period of time. The Hot receptors start to identify hot sensations when skin’s surface rises over 30°C and but are most alerted when at 45°C. But past 45°C, pain receptors take over the senses to avoid any damage from being done to the skin and it’s underlying tissues. The Thermoreceptors can be found all over the body, however cold receptors are found in a greater concentration than its opposed receptors. The face and ears have the highest concentration of thermoreceptors, which is why the nose and ears get colder at a more rapid rate than the rest of your body in low temperatures. Pain receptors or nocireceptor detect pain or stimuli that causes any damage to the skin and/or any other tissues in our body. The body has over three million pain receptors, which are found in bones, skin, muscles, some organs and blood vessels. They are able to detect pain caused by mechanical stimuli, such as a cut or a scrape, chemical stimuli like a poison from an insect sting, or thermal stimuli such as a burn. The receptors cause a feeling of sharp pain so that the brain knows that the body needs to move away from a harmful stimulus such as a hot stove stop or a broken piece of glass immediately. They are also responsible for causing a dull pain in an area that has been recently injured so the body knows not to use or touch body part or member until the area has healed. These receptors play an important part in keeping the body safe from serious injury or damage by