Question

Auricles of human heart contains
(n) Columnae carnae (2) Chordae tendenae
(3) Papillary muscles (4) Purkinje's fibres​

Answer 1

Columnae carnae , or meaty ridges) a rounded or irregular muscular columns which project from the inner surface of the right and left ventricle of the heart..................

chordae tendenae ,colloquially know as the heart are tendon resembling fibres cords of connective tissue then connect the papillary muscle ................... the purkinje fibres are specialised conducting fibres composed of electrically excitable cells that are larger than cardiomyocytes with many cells in the heart