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.