Human Respiratory System. 1. Air enters the mouth and the nostrils where it is moistened by the structures of the nasal passage (nasal conchae ). 2. Air passes successively through the pharynx, the glottis, and the larynx.By ilya
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Terminal Bronchioles. Lined by simple ciliated columnar epithelium without goblet cells No cartilages, glands. Respiratory Bronchioles. Branches of terminal bronchioles Give rise to alveolar sacs, alveolar ducts, and alveoli Not sites of actual gas exchange
“Tracheobronchial” Clearance Fast clearance from the bronchi and bronchioles. J E Agnew Royal Free Hampstead NHS Trust and Royal Free & University College Medical School. The Lungs: Function, Diagnosis and Treatment What do the Lungs do? How do they do it?. Being Scientific
End to End Protocols. End to End Protocols. Last week: basic protocols Stop & wait (Correct but low performance) Today: Window based protocol. Go Back N Selective Repeat TCP protocol. UDP protocol. Next week: Flow control & congestion control. rdt3.0 works, but performance stinks
Respiratory System: - nasal cavity - Primary Bronchi, bronchioles & alveoli - Cells in alveoli. Organization of the respiratory system. Functions, movement of air (breathing); exchange oxygen for carbon dioxide Conducting portion and respiratory portion
End to End Protocols. End to End Protocols. Last week: basic protocols Stop & wait (Correct but low performance) Today: Window based protocol. Go Back N Selective Repeat TCP protocol. UDP protocol. Next week: Flow control & congestion control. rdt3.0: Stop-and-Wait Operation.
End-to-End Issues. Route Diversity. Load balancing Per packet splitting Per flow splitting Spill over Route change Failure policy Route flapping. Diversity Effects. Packet reorder TCP performance Larger playback buffer Jitter However, jitter can occur due cross traffic.
End-to-End Services. Kentaro Toyama, PhD Assistant Managing Director Microsoft Research India 4 th Convention of the National Alliance for Mission 2007 New Delhi – August 2, 2007. Microsoft Research India. Established January, 2005 Goals World-class academic research
End-to-End Data. From network’s perspective, application programs exchange messages (stream of bytes). From applic’s perspective, these bytes have meaning & structure which must be encoded into the byte stream As in Chapter 2 (bit streams EM signals) there are 2 concerns: