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.
The word 'synthesis' means to put together. In a synthesis reaction two substances combine to produce a single product. The general chemical equation for a synthesis reaction is A + B AB The reaction of a metal with a non-metal to produce a compound is an example of a synthesis reaction.