orthopedist
Chiropractor
Serial
A D.O. is a doctor or osteopathy. This type of doctor looks at the whole person and tries to integrate modern medicine and natural medicine. They are able to write prescriptions.
Parallel Backbone
Yes a monotreme does have a backbone because it is a type of mammal and a mammal is a vertebrate.
is not a doctor
Yes, but when she does that move she did in Beautiful Liar with Beyonce it looks like she doesn't.
Backbone cabling
invertebrate
backbone
it is a type of creature that is naturally form with its surroundings and does not have a backbone.
carbon atoms forms the backbone of glucose molecule