Riddle

I grow for a surface, even if you cut me. I continue to grow even after death.

Choose an answer

A.Fingernails
B.Skin cells
C.Fungus or mold
D.Human hair
Hint: It's a 2-word phrase with 9 letters, starting with "H".

Answer

Human hair

Why this is the answer

Hair keeps growing from the scalp regardless of cutting; the claim that it keeps growing after death is a popular myth, though -- the apparent growth actually comes from skin dehydrating and retracting.

This riddle is filed under Hard/Difficult Riddles and rated Medium.