It's a logo for a human bone which looks like a leg bone. The bone is tilting from left to right with a heart shape at the bottom left of the icon. On the top right the bone has been broken off an is dangling from the bone.
This Human Bone icon is made in flat color style
. This format was developed by Icons8 designer team and became immensely popular for use in web and mobile applications. Feel free to download this icon in PNG format for free, or unlock other formats for $5. Unlike other icon packs that have merely hundreds of icons, this monster icon pack contains 6,100 icons, all in the same style and quality.