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AGAIN ON THE SOCALLED LIVING MATTER
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activity adaptation adrenin animals apparatus arrest arterial extremity auricle auricular behaviour biology blastomeres brain bulb bulbar bulbo-spinal tortoise capacity cardiac cells centres cerebral hemispheres characters chemical colloidal complex continues to beat contractile contraction curare determine effects electrocardiogram elements embryonic development embryonic heart Emys europcea energy evolution excised heart excitability and automatism experiments external stimuli fact factors Fano faradic fore-brain frequency function greater hind-brain impulses increase individual influence inhibition inhibitory action internal investigations irritability isolated heart less means mechanical medulla medulla oblongata membrane ment mesencephalon mid-brain morphological motor movements muscle nervous normal observed optic lobes organism origin of species peptone perambulation period phenomena physical physiology portion potassium processes progress protoplasm psychic reactions receptors relations researches rhythm rhythmic shown sino-auricular species spinal stimuli stovaine structure substances surroundings survival teleological character temperature thalamus theory third day tion tissues tortoise unconscious venous ventricle ventricular vertebrates