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i would say it’s more chemical than it is physical. when you cut yourself there’s usually blood, correct? because a blood clot forms here & cells begin to work on the wound, which would be physical. the chemical part though is there’s an enzyme I think called thrombin which helps the formation of fibrin mesh. this helps stable the blood clot while the cells heal & close the wound with a potential small scar.
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Wound healing is a chemical change.

A chemical change involves the formation of a new substance. A substance changes form from one form into another in the process. A physical change does not involve the formation of new substances. Wound healing involves a number of chemical changes.

A wound can also be referred to as a tissue damage. When a tissue is damaged, bleeding results. Bleeding could lead to so much loss of blood.

The human body has mechanisms in place to combat this excessive loss of blood. This occurs when a complex biochemical pathway leads to the formation of fibrinogen. The enzyme thrombin converts fibrinogen to fibrin. The formation of fibrin is very essential to the wound healing process.

We can see that a series of chemical changes are involved in the process of wound healing when your finger is cut.

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