I looked for a list of these vestigial organs in the several biology textbooks I have in my office and found one that claimed, “In the human body there are more than 100 vestigial structures including the coccyx, or ‘tailbone’, the appendix, the wisdom teeth, and the muscles that move the nose and ears.” They further claimed, “The human coccyx is an evolutionary remnant of an ancestral, reptilian tail, and the appendix is the remnant of a large digestive sac.&...