A Text Book of Physiology

activity afferent impulses afferent nerve amount animal aorta arteries auricle beat becomes bile blood-pressure blood-vessels body capillaries carbonic acid cardiac caused cells central nervous system centre cerebral cervical changes chorda chyle coagulation colour constriction contraction corpuscles digestion dilation diminished effect efferent elastic fact ferment fibres fibrin flow fluid frog ganglion gastric juice give rise gland hæmoglobin heart Hence increased intestine irritability less lever lungs manometer mechanism medulla medulla oblongata membrane metabolism movements muscle muscular nature nerve nervous impulses nitrogen normal observed oxygen pancreatic juice passing pepsin peptone peripheral Pflüger's Archiv portion present pressure produced proteid protoplasm quantity reflex action respiration respiratory result retina saliva secretion seen sensations sensory shew shewn solution spinal cord stimulation stomach substance sugar surface sympathetic systole takes place temperature tetanus tion tissues tube urea urine valves vascular vaso-motor veins venous blood ventricle vessels wave