Fingernails grow from the matrix. The nails are composed largely of keratin, a hardened protein. As new cells grow in the matrix, the older cells are pushed out, compacted and take on the familiar flattened, hardened form of the fingernail.. :3
Answer:
yes
Explanation:
Honestly you can get strong from doing push-ups, rocks, cherry bombs, etc because you are causing joints and you muscles to lift and move you bodies whole weight so after a while you will be building muscle as you continue to do that
I HOPE THIS HELPS!!!!
Viruses should be correct.