Heart & Itâs Rhythmical Contractions Dr. Wasif Haq General Anatomy of Heart Myogenic organ, involved in blood circulation. Pericardial sac encloses the heart. Three…
Rhythmical Excitation of the Heart Arsalan Yousuf BS 4th Semester The rhythmical electrical impulses in a normal heart allows: The atria to contract about one sixth of a…