1 Explain how the structure of different segments of the respiratory airways reflect the functional roles that these airways play in air movement and gas exchange. 2  Distinguish the trachea, bronchi, terminal bronchioles, bronchioles, alveolar ducts, alveolar sacs, and alveoli based on key structural features.he 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.
Lily Collins and Chris Evans 'dating and having a lot of fun together since meeting at Oscars after-party'. Lily Collins has been swept off her feet by Captain America. The 25-year-old British beauty is reportedly 'dating' Chris Evans ,33, according to a new report from Us Weekly on Saturday. The new couple first met at the Vanity Fair Oscars party on February 22 and been 'having a lot of fun' together. Scroll down for video.
If you were wondering, âHow tall is Chris Evans?â The answer is that heâs six feet tall. Today is Chris Evansâ birthday, and to celebrate we have come up with some wonderful Chris Evans photos for you to feast your eyes on. Thereâs nothing that goes together better than Chris Evans birth date, which is June 13, and Chris Evans pics. So, sit back, relax, and enjoy a look into this A-listerâs world. 5 Chris Evans Photos on his 35th Birthday