Answer:
Angiogenesis.
Explanation:
The damaged part of the body can be healed naturally. The clotting of the blood helps in the decrease in the blood flow by the platelets. The new cells grow for the healing of the injury.
Angiogenesis is the process of the formation of the blood vessels from the already existing blood vessels. The process of splitting and sprouting is important for the angiogenesis process. This also helps in the repair of the damaged body parts.
Thus, the answer is angiogenesis.