Personhood is a moral concept, related to the notion of individuality. The tongue is attached to the hyoid bone, which is not attached to any other bones in the body. Defining what makes humans human can be tricky as more is learned about the behavior of other animals and fossils are uncovered that revise the evolutionary timeline, but scientists have discovered certain biochemical markers that are specific to humans. “Maturation of the Adolescent Brain.” Neuropsychiatric Disease and Treatment, Dove Medical Press, 2013, www.ncbi.nlm.nih.gov/pmc/articles/PMC3621648/. This article is … • Laberge, Maxine. As human legs evolved to become longer about 1.6 million years ago and humans became more upright, they were able to travel great distances as well, expending relatively little energy in the process. Knowing we are going to die not only places an acknowledged limit upon our lives, it also gives a special intensity and poignancy to the time we are given to live and love.". The philosophy of the human person started when the methods of philosophy were applied to find answers regarding the questions and mysteries of human existence. What is a good human? A study by Dr. Ajit Varki of the University of California, San Diego, found another mutation unique to humans in the polysaccharide covering of the human cell surface. He was among the foremost advocates of communism in 19th century Europe. However, as much like the chimpanzee and bonobo as we are, the differences are vast. Procedures for checking, evaluating, controllingand planning action in an anticipation of the future (for example) are also necessarily represented throughsymbols operating according to culturally-specified rules. It has the mind and processes of a person, therefore sees itself as a person. The Philosophy of the human person began when the methods of philosophy were applied to find answers to the questions of human existence. Our second nature necessarily exists in a symbolic universe. • “Mead Project Source Page, A.” Charles Darwin: The Expression of the Emotions in Man and Animals: Chapter 13, brocku.ca/MeadProject/Darwin/Darwin_1872_13.html. READ ALSO: Ethos, Pathos, Lagos – What Are These? Anthropology its self refers to the study of human being.