Dead or damaged cells are replaced by the process of

When cells become damaged or die the body makes new cells to replace them. This process is called cell division. One cell doubles by dividing into two.

thinking it would be physical characteristics

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."