( Really got into this and kinda just went off lol sorry for the paragraph(s) hope your doing well ! )
The connection can be made through how it relies on itself to work and that the order it’s in must be the way it is. In the food chain, animals are split into groups based on what they consume, and for some, what consumes them. Obviously those being consumed don’t like or want to be consumed, however it’s how it has to be. The order cannot be altered in any way less life loose any identifiable structure. In life it works the same way. Take for example a doctor needing more hours in order to be able to afford..idk let’s say the spouse of him or her really wanted a vehicle that was just barely out of the doctors price range and the holidays are coming up. Thankfully this doctor was able to get more hours and surprised his or her spouse with the car they always wanted. The doctor and their spouse live happily and enjoy the new vehicle but what’s not usually mentioned is that they were allowed those hours due to the fact that they have a large increase in injured and ill and really needed the doctor. It literally took someone to be hurt in order to fund the doctors wishes. However there can be no other way. If people suddenly stopped getting sick or hurt, the doctor would not only not be able to afford the new vehicle but he or she would also loose their job which wouldn’t allow them to pay for bills or afford insurance of any kind. Either way, someone has to loose something, like prey has to be consumed, in order for someone else to profit/prosper or for the hunter to have a meal.
The skeletal system helped him move his hand away from the hot object. Because the skeletal system reacted by sending a message to the brain saying that was hot and dangerous thus causing the movement of the hand.