The Elements of Physiology and Hygiene: A Text-book for Educational Institutions

action activity afferent afferent nerves alimentary amount amyloids animal artery auricle axis becomes blood body bone brain called canal capillaries carbonic acid cartilage causes cavity cells centre cerebral coagulation colorless corpuscles condition connected constitution contains contraction convex cord corpuscles cubic delicate delusions digested disease duct effect elastic epithelium excitement exercise external fenestra ovalis fibrin fluid functions give rise glands grains heart heat Hence hepatic vein impulses impure injurious insanity intestine irritation kidneys lacunæ layer lens less levers ligament liver lungs medulla oblongata mental mind mucous membrane muscles muscular fibres nature nitrogen nutrition object optic nerve organic matter oxygen papillæ pass posterior produced proteids quantity reflex action retina salts scala scala media SECTION sensations sensory side skin solid spinal structure substance surface temperature thyroid cartilage tion tissue trunk tube valves veins ventricle vessels vibrations walls