This picture is of the icon Lungs. It shows two lungs, which are similar to an extended oval shape. The lungs are connected to the wind pipe which goes upward in between each lung.
This Lungs icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.