A star fish, although the "arms" are not arms in the same sense as the arms of a human being, of course.
radius and ulna
Another name for your back bone is a spine.
Spine is another word for back bone
the elbow bone the toher bones and the hand bones
A vertebrate. Another word for caribou is reindeer.
Coccyx
Vertebrae.
The vertebral column.
Letters.
Obviously your spine, your foot bone, your arms , and your hands too keep you balance.
Vertebrae = spine.
it is obviously the spine