Top Posters
Since Sunday
f
3
b
2
e
2
b
2
j
2
E
2
o
2
L
2
m
2
R
2
C
2
b
2
SlideshowReport

Nail.

Description
The nail is composed of both living and dead cells. The nail root produces keratin-containing cells that form the lunula. As the nail plate grows, these cells die and harden to form a protective covering for the distal end of the finger.  
Related Images
Add Comment
Explore
Post your homework questions and get free online help from our incredible volunteers
  323 People Browsing
Show Emoticons
:):(;):P:D:|:O:?:nerd:8o:glasses::-):-(:-*O:-D>:-D:o):idea::important::help::error::warning::favorite:
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 486