What allows us to feel pain? is there a way to permanently dis the feeling of physical pain? if you try to bite your finger off, what stops you from doing so?

When we feel pain, such as when we touch a hot stove, sensory receptors in our skin send a message via nerve fibres to the spinal cord and brainstem and then onto the brain where the sensation of pain is registered, the information is processed and the pain is perceived.

Find a comfortable position,sitting or lying down and begin to breathe mindfully. Do a quick scan of your body from head to toe. If you feel any muscles that are tight, try to relax them. After a few minutes of this breathing, try these five techniques to see if they help relieve your physical pain.

Your jaw and teeth have enough strength for that. However, unless your mental abilities have been significantly disrupted, your brain will prevent you from doing it.

relationship between pressure and air volume and led to the understanding of how respiration works; i believe this is the correct answer ; /// good luck