Question

20 which part of the nail bed is the most actively growing region? a lunula b cuticle c nail plate d dermis

Explanation:

The lunula is the most actively growing part of the nail bed. It contains the matrix where new nail cells are produced. The cuticle is a protective layer at the base of the nail, the nail - plate is the hard visible part of the nail, and the dermis is a layer of skin below the epidermis and not the actively growing part of the nail bed.

Answer:

A. lunula