'This long, flat bone is made up of 3 parts with the most ribs attached to the middle part'
the sternum
BONES: This long, flat bone is made up of 3 parts with the most ribs attached to the middle part
This long, flat bone is made up of 3 parts with the most ribs attached to the middle part
This long, flat bone is made up of 3 parts with the most ribs attached to the middle part
BONES
the sternum
BONES