Chapter 1: The origins of language
Chapter 1 "The origins of the language" of the book "The Study of the language" by George Yule - 5th edition.
Chapter 1: The origins of language
por Marvin Recinos Barrientos
1. Language:Teeth and lips vs hands
2. mouth and tongue
3. Physical effort
4. The physical adaptation source
4.1. Teeth: f and v
4.2. Lips: p, b, m
4.3. The social interaction source
4.3.1. Group organization (grunts, groans and curses)
4.3.2. "Yo-he-ho"
4.3.3. Larynx and pharynx