i. announcements ii. cardiovascular system dc 2013 module 4, … · from mosquito-borne parasitic...
TRANSCRIPT
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BI 121 Lecture 8
I. Announcements Tomorrow HR & BP Lab 4 + RequiredNotebook Check. Turn in today? Thurs Blood Chemistry Lab 5. Please read Lab 5 twice prior to Thursday. Thanks!
II. Cardiovascular System LS 2012 ch 9, Torstar Books 1984, DC 2013 Module 4, Guyton & Hall (G&H) 2011 +...A. Circulatory vs Cardiovascular (CV)? cf + parts
LS pp 229, CV vs Lymphatic, DC pp 23, 31B. CV Pulmonary & Systemic circuits
DC fig 4-1 p 24, LS fig 9-2b p 231C. Arteries,capillaries,veins G&H +TorstarD. Varicose veins? Phlebitis? DCE. layers, box, chambers, valves, inlets, outlets
LS fig 9-4 p 233, fig 9-2a p 231; DC pp 23-6F. Normal vs abnormal blood flow thru & CV system
Billy has a hole in his SI Fox 2009 fig 13.16, 13.17III. Comments on Midterm & Tests Returned
... Welcome back – let's get to work!!
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Cardiovascularor CV System1. Heart2. Vessels3. Blood
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DC 2003
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NB: Figure-8 loop
Pulmonary
Systemic
DC 2003
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LS 2012 fig 9-2b p 231
Dual Pump Action & Parallel Circulation
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Lymphatic System
1. Lymph Nodes
2. Vessels
3. Lymph
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No pump!No pump!
DC 2003
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Lymphatic SystemAlternative System of
Circulationor
Drainage System
Lymph Vessels Veins
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Lymphatic System Blockage in Elephantiasisfrom Mosquito-borne Parasitic Filaria Worm
LS 2012 fig 10-21 p 283
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LymphaticVessel
Torstar Books 1984
Lymphatics collect run-off & are parallel to
venules/small veins!
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Torstar Books 1984
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Microcirculation Exchange: 10 Billion Capillaries!
Guyton & Hall 2011 fig 1-2
1 Capillary
No cell > 25-50 μ away from a capillary! Like having bus stops @ every other block!
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Torstar Books 1984
Harvey Experiments: 1-way system
of venous valves!
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Skeletal Muscle Pump
LS 2006
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DC 2003
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PERIMYO
ENDO
EPI
Torstar Books 1984
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Human = 4-chambered box?2 separate pumps?
Upper =Atria
Lower =Ventricles
PrimerPumps
PowerPumps
RA LA
RV LV
LR
Pulmonary Systemic
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RA
RV
LA
LV
Torstar Books 1984
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Time-out for Questions!
+ Brief Break!
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LS 2012 fig 9-4a p 233
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LS 2012 p 233
Heart Valves Ensure Unidirectional Blood Flow!Mom's valve!
Valves must be normal & healthy to work well!
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Human = 4 unique valves?2 valve sets?
Semilunar = Half-moon shaped
AV = Atrioventricular
1. Pulmonic/Pulmonary2. Aortic
3. R AV = Tricuspid4. L AV = Mitral/Bicuspid
More
rigid
More
flimsy
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Torstar Books 1984
Heart Valve Orientation & Scaffolding
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Guyton & Hall
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Torstar Books 1984
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Torstar Books 1984
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Torstar Books 1984
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Blood Flow
LS 2012 fig 9-2a p 231
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Veins Atria Ventricles Arteries
LS 2006
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SI Fox 2009 fig 13.16 p 419
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SI Fox 2009 fig 13.17 p 420
Patent or still open!
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Class Frequency Distribution Report forBI 121 Midterm U14, Multiple Choice, Part II