If any of the links is broken in this chain, you will not be able to do your work. In cases where a link is broken, the situation needs attention from a person of higher stature to fix it.
Example: If the plate begins to consume the food placed on it to itself, you will throw away the plate or do not use it as a plate. This is an abnormal situation and will need to be action-ed.
If the hand does not move upward to feed the food to your mouth, you will need to see a doctor because the hand is not doing its work. It could be paralysed, in which case we will either treat it or find alternate means.
If the mouth continuously chews the food and does not send it to the stomach, something is wrong and will need to be fixed.
If the stomach does not digest the food to release the energy, we need to do some therapy to fix the indigestion problem depending on the severity and cause.