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Bio 151 - Cardiovascular System Exam Guide

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This is a comprehensive and detailed exam study guide on cardiovascular system for bio 151. Quality stuff!! U'll need it!!

Institution
University Of Wisconsin - Madison
Course
Introduction To Biology 151








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Institution
University Of Wisconsin - Madison
Course
Introduction To Biology 151
All documents for this subject (6)

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Uploaded on
May 25, 2024
Number of pages
3
Written in
2021/2022
Type
Class notes
Professor(s)
Prof. milo wiltbank
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All classes

Subjects

Content preview

Blood Circulation Through Heart
Superior/inferior vena cava ³ right atrium ³ right AV valve (tricuspid valve) ³ right
ventricle ³ pulmonary valve ³ pulmonary artery ³ lungs ³ left atrium ³ left valve
(bicuspid valve) ³ left ventricle ³ aortic valve (semilunar valve) ³ aorta ³ rest of body

*deoxygenated blood
*oxygenated blood

Cardiac Output Calculation
• Cardiac output (L/min) = stroke volume (L/beat) x heart rate (beats/min)

Ventricular Diastole vs. Systole
Ventricular diastole "Lub sound" Ventricular systole "Dub sound"
(relaxation) (contraction)
AV valves open All valves All valves closed Aortic & pulmonic
Pulmonary & aortic closed Pulmonary & aortic valve valves closed
valves closed open

Heartbeat Depolarization Process
To atria and depolarization from MMF to entire
ventricle
They contract . slow down vent contract
SA node ³³³³³³³ AV node ³³³³³³³ modified muscle fibers
(peacemaker)
--------------------------------action potential generation-------------------------->

EKG




SA activated, atria contract ³ AV node activated ³ Ventricle contract ³ Ventricle relax

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