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<u>Answer</u>:
Nociceptors or pain receptors sends the danger signal sent by nerves is often felt as pain or a heat sensation.
<u>Explanation</u>:
Nociceptors or pain receptors are the sensory receptors. They are present in the skin and receives the signals from the damaged tissue in the skin. The signal is transmitted to the peripheral nerve to the spinal cord. From the spinal cord, the signal is passed to the thalamus with the help of neurons through neurotransmitters.
From thalamus which is a part of the central nervous system, the signals are sent to the somatosensory cortex which is responsible for physical sensation, the frontal cortex to think about the pain, and to the limbic system which linked to emotions and causes us to cry and feel.
