The origin and nature of the emotions; miscellaneous papers . 8 H asS 3 ^5 9 X ; <co o I M X 5 w ^ ^ r, J K s ^ ^ p H o ^ i, go s = o t. -5 ^ S O ?; O ^ ?^- ^ H fc, d 3 o. 25 H I in THE KINETIC SYSTEM 205 through this interference with oxidation in the brain. We,therefore, conclude that within a certain range of acidity ofthe lilood adrenalin can unite with the brain-cells onlythrough the mediation of oxygen, and that the combinationof adrenalin, oxygen, and certain brain-cell constituentscauses the electric discharge that produces heat and this interrelation of the brain and the
The origin and nature of the emotions; miscellaneous papers . 8 H asS 3 ^5 9 X ; <co o I M X 5 w ^ ^ r, J K s ^ ^ p H o ^ i, go s = o t. -5 ^ S O ?; O ^ ?^- ^ H fc, d 3 o. 25 H I in THE KINETIC SYSTEM 205 through this interference with oxidation in the brain. We,therefore, conclude that within a certain range of acidity ofthe lilood adrenalin can unite with the brain-cells onlythrough the mediation of oxygen, and that the combinationof adrenalin, oxygen, and certain brain-cell constituentscauses the electric discharge that produces heat and this interrelation of the brain and the adrenals wehave what is, perhaps, the master kej to the automaticaction of the body. Through the special senses environ-mental stimuli reach the brain and cause it to liberate energy,which in turn activates certain other organs and tissues,among which are the adrenals. The increased output ofadrenalin activates the brain to still greater activity, as aresult of which again the entire sympathetic nervous sys-tem is further activated, as is manifested by increased heartaction, more rapid respiration, raised blood-pressure, in-creased output of glycogen, increased power
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