Respiratory Airways. The respiratory airways extend from the respiratory bronchioles to the alveoli. 1  The respiratory bronchioles have a diameter of 0.5 millimeters and feature a few alveoli scattered along their walls. 2  The epithelium here remains low cuboidal.
Synthesis Based on a reading and summary of related articles/texts, synthesis is your observation(s) of all the related texts, usually with a specific focus Synthesis often appears as the topic sentence in a longer paper, overviewing the specific content of a paragraph.
Chemical synthesis is the procedure used to make useful compounds. This often involves a number of chemical reactions and other processes. It is important to know the correct quantities of reactants to use in a synthesis, and how much product has been produced. It is also important to know how pure the product is - this can be tested using the method of titration.