Complex sentence: The somatosensory system is a complex sensory system made up of a number of different receptors, including thermoreceptors, nociceptors, mechanoreceptors and chemoreceptors.
Split into simpler sentences: The somatosensory system is a complex sensory system. It is made up of a number of different receptors, including thermoreceptors, nociceptors, mechanoreceptors and chemoreceptors.