The trachea connects the larynx and bronchi. It is lined with a mucus membrane with respiratory epithelium and a lamina propria, and a submucosa containing horseshoe shape hyaline cartilages and numerous mucus and mixed glands (Trachea 1).
Arrowroot starch and tapioca flour are two products that are used quite a bit in gluten-free cooking and baking. They are used to replace corn starch and wheat flour in various recipes. Arrowroot starch can sometimes substitute for tapioca flour depending on the application.
In a Pinch: Replace the arrowroot starch with an equal amount of cornstarch. It doesn't hold up as well to long cook times or freezer time, and breaks down in acidic dishes, so expect some differences in the finished product.n a Pinch: Replace the arrowroot starch with an equal amount of cornstarch. It doesn't hold up as well to long cook times or freezer time, and breaks down in acidic dishes, so expect some differences in the finished product.