For the most part they do. Some of them are medicated, and even regular ones cover the exposed wounds and help reduce the risk of infection. As long as they are changed regularly, they are a good thing to have.
Bandages: * Hold dressing (for example gauze or other dressing) in place. * Provide comfort to injury. * Stop bleeding (the pressure of the bandage stops blood from coming out from the wound). * Protect the injury from infection (it covers the wound, and this helps to prevent infection). Another function of the bandage would be to cover the wound/injury and this stops anybody who does not like blood and/or injuries from seeing the injury (however, the main uses of the bandages are given above). ----
A bandaid simply stops the wound or cut from getting infected, as well as to stop the bleeding. This will help the wound heal faster, but the bandaid alone does not heal.
The Roman army had the best medical care of the times. To help heal wounds there was an array of antiseptics and bandages. They were able to drain deep wounds and to stitch them.
Milk does not help heal wounds. If you have bitten your tongue, it will heal on it's own; no need to do anything.
Bandages
There are many things one can do to help heal a sprained wrist. In general, rest, ice, and compression on the wrist with bandages will help it heal efficiently.
it can be heal wounds
because there saliva actually heals wounds
It Helps fight infections that can be caused by open wounds or prevent a person from blood loss by putting high pressure on the wounds with bandages
marigold leaves are used to heal wounds and many a time they are also used as bandages over certain cuttings to stop the flow of blood from that particular area
Honey helps wounds to heal up faster
Time heals nearly all physical wounds but rarely does it heal mental wounds.
Vinegar cannot heal wounds, it can clean out wounds so they can be healed. Essential oils and aloe vera are better products to heal skin.
Cells helping wounds heal and by protecting your body from diseases