Create textured surfaces that can be painted over with oil or acrylic colors. A flexible, durable, soft body paste with an extra fine-texture; Made in USA. May be applied to a number of porous substrates, such as canvas, wood, cardboard, plaster and concrete.
The respiratory system is made up of organs and tissues that help you breathe. The main parts of this system are the airways, the lungs and linked blood vessels, and the muscles that enable breathing.
We take a closer look at the inner workings of your lungs. Very simply, the function of the lungs is to absorb oxygen, a gas that your body needs to function, and expel carbon dioxide, a waste gas that your body can't use (no, not that kind of waste gas!).