Popular Physiology, etc

action animals aorta appear artery auricle become bile birds bladder blood body bone brain carbonic acid cartilages cause cavity cerebellum cerebrum chest chyle chyme circulation coat colour commences consequence consider contraction conveyed digestion dilatation discharged distinct duct duodenum elasticity evident exist experiments external extremely fact faculties fibrin fluid functions glands globules glottis gullet head heart heat hours thirty minutes intestines lacteals larynx liver lungs matter means membrane mode motion mouth muscles muscular fibres nature necessary nerves nervous object observed opening organ oxygen particles pass peculiar phrenologists physiologists posterior present principle produced pylorus quantity respiration ribs right auricle secretion seems serous membrane side skin skull small intestines spinal marrow stomach structure supplied supposed surface swallowed takes place teeth termed thoracic duct tion tongue tube urine valves veins venous ventricle vessels voice Wilson Philip wind-pipe