domingo, 13 de octubre de 2013

Sense of touch

Human skin is the outer covering of the body, it is the largest organ of the human  system.It has multiple layers and guards the underlying muscles, bones, ligaments and internal organs of human body.

1 comentario:

  1. I think it is very well explained and it is very funny.I have understood everything and I think that with this type of videos we will learn a lot.
    Diego García 6º B