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ใใใใๆ่ฌใผใชใผ ใใใใในใใชไบบ้ใฎใใใซใ็ฏ
Over the course of evolution, humans became bipedal and able to enjoy conversation. However, the crossing of the airway and food passages made swallowing difficult. This is why many people, regardless of age, have difficulty taking medicine. This unique animation explores the relationship between human evolution and swallowing. (Source: Youtube)