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.
Novel Blood Substitute â ErythroMer. Reporter: Irina Robu, PhD. For years, scientists have tried ineffectively to create an artificial molecule that emulates the oxygen-carrying function of human red blood cell but the efforts failed because of oxygen delivery and safety issues.