Systems of life. The nervous system. 6.
Roberts
A
A
D001921:Brain / Q000033:anatomy & histology / Q000502:physiology*; D006801:Humans; D009043:Motor Activity; D009046:Motor Neurons / Q000502:physiology; D009132:Muscles / Q000294:innervation; D009420:Nervous System / Q000033:anatomy & histology; D009424:Nervous System Physiological Phenomena; D013116:Spinal Cord / Q000033:anatomy & histology / Q000502:physiology*; D013569:Synapses / Q000502:physiology