Question

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

Explanation:

The lunula is the most actively growing region of the nail bed. It is the whitish, crescent - shaped area at the base of the nail plate. 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 part of the actively growing nail - bed region.

Answer:

B. lunula