Physiology – Page 5 – howMed

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Prevention of blood loss Steps: i.Vascular spasm ii.Formation of platelet plug iii.Formation of blood clot as a result of blood …

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Flow of current from damaged area to normal area of heart between heart beats is called current of injury Damaged …

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Graphic record of summated electrical activity of heart obtained by electrodes placed on body surface. Electrocardiograph is the instrument to …

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Brief, rapid, large and reversible change in resting membrane potential of an excitable cell during which the membrane potential reverses …

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A muscle is an excitable tissue having ability to contract. There are three types of muscles: 1) Skeletal muscle 2) …

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Cardiac events appearing from the beginning of one heart beat to the beginning of next heart beat and repeating themselves …

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Heart is innervated by both divisions of autonomic nervous system (ANS) i.e. sympathetic & parasympathetic. • Nervous stimulation is not …

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Origin & Propagation Of Cardiac Impulse Carried out by: • Specialized Excitatory & Conducting system • Makes 1% of cardiac …

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Consist of two kinds of muscle cells 1. Contractile cells: 99% Atrial & Ventricular Muscles (Myocardium) 2. Conducting or Autorhythmic …

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Consists of :- 1. Heart: serves as a ‘pump’ to impart pressure to blood & to establish pressure gradient for …

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