Today's Rocket Words: Your 5 words and meanings to learn
femur
the upper leg bone; this is the longest bone in the body
pelvis
the hip bones; this connects the top and bottom half of the body and features two large ball-and-socket joints
clavicle
the collar bone; a long bone between the shoulder and the sternum
cranium
the skull
spine
a long series of bones (vertebrae) connected as a flexible column; animals with a spine are known as vertebrates