The chapter deals with the basis of human physiology, that is, the human
cell. It also explains the functioning of the cardiovascular system, the nervous system,
and the digestive system. It is of paramount importance for the student to understand
basic human systems functioning so that he can be of value in assistance during a life-saving procedure and also be able to rationalise all precautions for patient care.
Keywords: Atrium, Ventricle, Electrocardiogram, Neuron, Gases, Bolus.
