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.
Arrowroot is LIKELY SAFE when the starch is used in foods. It is POSSIBLY SAFE when used as a medicine that is taken by mouth or applied to the skin. Pregnancy and breast-feeding: Arrowroot is POSSIBLY SAFE for pregnant and breast-feeding women when taken by mouth in food amounts.