aid
anatomy
background
biology
black
bone
concept
copy
cranium
cutout
dead
death
education
emaciation
exhausting
exhaustion
eye
frame
glasses
grave
grin
half
head
horror
human
impaired
indoors
intelligence
intelligent
isolated
model
nobody
professor
scary
science
sight
skeleton
skull
spectacles
spooky
study
symbol
teeth
view
vision
wasting
wearisome
white