Osteosarcoma: A Deadly Cancer אוסטאוסרקומה

Osteosarcoma is a deadly cancer that occurs in teens and young adults. It starts with a tumor in the long bones of the body and these tumors, if not removed, can cause further damage and cancer which, in most cases, kills the person infected.-- Created using PowToon -- Free sign up at http://www.powtoon.com/ . Make your own animated videos and animated presentations for free. PowToon is a free tool that allows you to develop cool animated clips and animated presentations for your website, office meeting, sales pitch, nonprofit fundraiser, product launch, video resume, or anything else you could use an animated explainer video. PowToon's animation templates help you create animated presentations and animated explainer videos from scratch. Anyone can produce awesome animations quickly with PowToon, without the cost or hassle other professional animation services require.