The Philosophy of Health; Volume 2 (of 2) or, an exposition of the physical and mental constitution of man

A thorough exploration of the human body’s inner workings, this volume surveys the vital processes that keep us alive and thriving. Beginning with the mechanics of breathing, it traces how air moves through the respiratory system, links respiration to circulation, and even compares animal and plant breathing. The discussion then shifts to the generation of body heat, illustrating the delicate balance between temperature regulation and metabolic activity.

The work continues by detailing how we break down food, describing each stage from chewing to absorption, and examines the complex network of glands that secrete essential substances. It also explains how membranes and vessels absorb nutrients, highlighting the roles of lymphatics and pulmonary surfaces. Finally, the text outlines the pathways by which waste is expelled, distinguishing excretion from secretion and mapping the organs involved.

Written in a clear, methodical style, the book blends observation with experimental insight, offering listeners a window into 19th‑century medical science while still resonating with today’s interest in health, longevity, and the anatomy of well‑being.