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papillary muscle chordae tendineae trabeculae carneae pectinate muscle are internal ridges on the surface of the atria that strengthen the right atrium and auricle walls while contributing minimal additional bulk. are ridges on the ventricular walls that prevent the ventricle walls from adhering during systole. are string-like structures that connect valve cusps to finger-like projections called . Together, these structures brace valve cusp doors to prevent blood backflow.

papillary muscle chordae tendineae trabeculae carneae pectinate muscle are internal ridges on the surface of the atria that strengthen the right atrium and auricle walls while contributing minimal additional bulk. are ridges on the ventricular walls that prevent the ventricle walls from adhering during systole. are string-like structures that connect valve cusps to finger-like projections called . Together, these structures brace valve cusp doors to prevent blood backflow.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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papillary muscle chordae tendineae trabeculae carneae pectinate muscle are internal ridges on the surface of the atria that strengthen the right atrium and auricle walls while contributing minimal additional bulk. are ridges on the ventricular walls that prevent the ventricle walls from adhering during systole. are string-like structures that connect valve cusps to finger-like projections called Together, these structures brace valve cusp doors to prevent blood backflow.
Transcribed Image Text:papillary muscle chordae tendineae trabeculae carneae pectinate muscle are internal ridges on the surface of the atria that strengthen the right atrium and auricle walls while contributing minimal additional bulk. are ridges on the ventricular walls that prevent the ventricle walls from adhering during systole. are string-like structures that connect valve cusps to finger-like projections called Together, these structures brace valve cusp doors to prevent blood backflow.
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