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.
Chedwyn Michael Ched Evans (born 28 December 1988) is a Welsh footballer who plays as a striker for League One club Chesterfield. Born in Rhyl, Denbighshire, Evans was signed by Manchester City from Chester City's youth set up in 2002 and he subsequently progressed through the ranks. Evans was loaned to Norwich City in 2007, where he scored 10 goals in 28 league appearances, before returning to his parent club. With first team opportunities at City limited he was subsequently sold to Sheffield United for Â£3 million in 2009.