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.
Protein synthesis is the formation (synthesis) of proteins from amino acid building blocks. To simplify the process, let's follow the synthesis of a hypothetical peptide, or short amino acid strand (proteins are essentially just longer peptides), of the sequence Methionine-Leucine-Cysteine-Serine. If at any point you feel lost, remember: DNA -(transcription)-> mRNA -(translation)-> Protein.