However, it was never directly researched upon to confirm our views other than indirect observation. In this research, Harrison (1991) answers the question of whether animals feel pain by three different research arguments to demonstrate that animals feel physical pain. The first argument stated that animal behaviors gives us a clue as to what animals are feeling. The next argument discusses the similarities between animals and human beings by their structure and function of the nervous system. He also discusses how species experience the external environment in similar ways. The last research argument is based from an evolutionary theory that implies there is no radical discontinuity between humans and other species. Physically pain is essentially a defense mechanism for species to help avoid those things in order to gain higher chances for survival and reproduction. These three arguments are then researched and observed thoroughly to completely understand the question of whether animals feel
However, it was never directly researched upon to confirm our views other than indirect observation. In this research, Harrison (1991) answers the question of whether animals feel pain by three different research arguments to demonstrate that animals feel physical pain. The first argument stated that animal behaviors gives us a clue as to what animals are feeling. The next argument discusses the similarities between animals and human beings by their structure and function of the nervous system. He also discusses how species experience the external environment in similar ways. The last research argument is based from an evolutionary theory that implies there is no radical discontinuity between humans and other species. Physically pain is essentially a defense mechanism for species to help avoid those things in order to gain higher chances for survival and reproduction. These three arguments are then researched and observed thoroughly to completely understand the question of whether animals feel