For example, all dinosaurs had cheek muscles that extended from their jaws to the tops of their skulls. Their hip girdles comprised three bones — the ilium, ischium and pubis. These bones fit together in one of two configurations: ornithischian (bird-hipped) or saurischian (lizard-hipped)....
from there, to each leg. As gravity wedges the triangular sacrum firmly down between the inclined auricular surfaces of the ilium bones, it tends to force the ilium bones apart, but strong ligaments prevent them from moving. This wedging action and the resistance...
Answer and Explanation: 1 Become a Study.com member to unlock this answer! Create your account View this answer Infants actually have significantly more individual bones than that of an adult. Infants have 300 bones (this is highly debated, some say 270 bones... See...