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.
Synthesis is one of the four main types of chemical reactions, and it occurs when two or more substances -- either elements or compounds -- combine to yield a new compound. That means the reaction involves more than one reactant and generally just one product that contains each element from the reactants.