Chapter 2

GENERAL PHYSIOLOGICAL PRINCIPLES.

Relations of animals to each other--Common properties of living matter--Explanation of these--The mammal and man--The stimulus and its results--The one-celled animal--Various "systems"necessary--Complexity of structure and function--Harmony through the nervous system--The rule of nervous centres--Means by which they are influenced, and by which they influence--Reflex action--Muscular mechanisms and neuro-muscular mechanisms--Work of the singer and speaker largely reflex in character--Summary 34