nervous and digestive systems at reptiles, emphasizing their main characteristics and briefly compare them to the nervous and digestive systems at other vertebrates.

In this sense, referring to the reptilian nervous systems, many authors have found common basis and similarities between the nervous systems of reptiles and other higher vertebrates, including mammals

These similarities manifest themselves both in the form of anatomical and physiological resemblances. The main difference between the reptilian brain and that of higher vertebrates such as mammals relates to "the size of the cerebral hemispheres"

As such, the reptilian nervous system is formed of two different components: the central nervous system (CNS) and the peripheral nervous system (PNS). The central nervous system is composed of the brain and the spinal cord, while the peripheral nervous system is composed of all nervous tissues and structures that do not actually belong to the CNS.

As at other vertebrates, the...
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