The correct answer from the above options is A) Pain receptor .
How does Pain receptor work ?
When a high temperature is sensed by the skin , a reflexive withdrawal is initiated by the arm muscles .
- sensory neurones are activated by a stimulus , which is sent to the central nervous system CNS and a motor response is sent out to the skeletal muscles by efferent fibres that control the movements .
- The pain receptor is also known as nociceptor which has an ability to detect extreme heat , cold or any harmful chemicals .
Where do pain receptors are located ?
These are located to the most exposed parts of the body which has susceptibility to any injuries .
- For example : Fingers and toes .
- They are located on the epidermis that is the most superficial part of the skin ( surface of the skin ) and the dermis which lies beneath epidermis and second layer of the skin which is deeper than epidermis .
To learn more about sensory receptors :
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