Other experiments allowed him to  distinguish sensory from motor nerves, establish that urine was  made in the kidneys, and deduce that respiration was  controlled by muscles and nerves.
Melalui banyak eksperimen lain, dia dapat membedakan saraf sensorik dengan motorik, mencetuskan bahwa urin diproduksi di ginjal, dan menyimpulkan bahwa pernapasan dikendalikan oleh otot dan saraf.