Lecture+notes+13 - Copy

Lecture+notes+13 - Copy - Lecture Notes Bio 109, Fall 2010,...

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Unformatted text preview: Lecture Notes Bio 109, Fall 2010, Dr. Catherine Loudon Lecture 13 10/25/10 Cardiovascular system flow physics and heart anatomy 1) Announcements a) Test 1 scantron image uploading problem on Friday; Emily hopes to upload to Dropboxes today b) Reminder: Quiz 4 closes TONIGHT (ch. 12, 13); Quiz 5 opens today (ch. 14) 2) Conventions (discussed while viewing Fig. 14-1) a) Left side is shown on right in diagrams or illustrations (viewing ventral surface) b) Arteries vs veins (leaving heart vs. returning blood to heart) 3) Blood pressure a) Drives blood flow b) Highest in arteries, decreases through capillaries, then veins (Fig. 14-2) c) Varies in time because of heart pumping especially in arteries d) Hydrostatic pressure is one component (Fig. 14-3) e) In fluids moving through a tube, pressure drops (Fig. 14-3) f) Movie of Fig. 14-3 (collaborative effort between Dr. Loudon, Dr. Vining of SUNY/Oneonta and two of Dr. Vinings students) available at http://www.oneonta.edu/academics/Chem399/ g) Note pressure gradient is actually...
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Lecture+notes+13 - Copy - Lecture Notes Bio 109, Fall 2010,...

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