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img010 - Lecture module notes for Chapter 17a(16 new...

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Unformatted text preview: Lecture module notes for Chapter 17a (16 new): Pulmonary ventilation °°‘ Opening Screen: Most of the ATP our cells use is produced «Mm-um: through oxidative phosphorylation, which requires oxygen. am mam. Mum During energy metabolism carbon dioxide is also produwd. __ mm?“ Blood provides the transport mechanism for oxygen, 1mm m“ and catmnm and the heart produces the driving pressure mm mm. 1....” Mgradient so that the blood travels throughout the body. Now we $1.1m, “.3." m examine the respiratory system — its important role is to deliver oxygen to blood and eliminate carbon dioxide from blood. ........ 7 :w__ The exchange of gases occurs at two levels — internal Dru-~— ' ' respiranmand Won. Internal respiration is the use of oxygen within mitochondria to generate ATP by oxidative phosphorylation and the production of carbon dioxide as a waste product. External respiration is the exchange of oxygen and carbon dioxide between the atmosphere and body tissues involving both the respiratory and circulatory systems. 'mm‘"‘w""‘ Click the Learning Goals Button: In this module we mFozLemms . . . . wrll describe the major structures of the respiratory system * Wm‘"‘m"""":;:"' """"“' “m“ "‘ and their function, the anatomy of the alveoli and how they * mmmmmdm mm...“ W work, and briefly overview the mechanics of breathing. MIMIC-10 *mhmydhwmm, “M mowmmmmmmdm *Muhmmuummmmu mutation ltd my mum [77??? Click the Home Menu Button WW 7’” W V ,,,Mhm‘ - 0 MW Wm , Chck the Anatomy Renew Button: External mow-mu: WM“ CAR) respiration encompasses four processes and they are listed here. The focus of this module is on pulmonary ventilation — the movement of air into the lungs (inspiration) and out of the lungs (expiration) by bulk * acmmummcmm—m flow- “3* mmmmm *TmmtdOzandOOzm Wandmttuun * Elem-MOaWCOaM Malabar-small“ G0 to the next screen: The upper airways include the air passages in the head and neck. Air enters the nasal cavity and/or oral cavity, both of which lead to the pharynx — a muscular tube that serves as a common passageway for both air and food. After the pharynx, the passageways for food and air diverge. Go to the next screen: The Wt includes the air passageways leading from the including those passageways within the lungs themselves. Donal AF“ ...
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