Chapter II 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