
Ribs are called bicephalic because-

Important Questions on Locomotion and Movement

______ A _______is present near the base of skull and has a large opening called ______ B _______ for spinal cord to move out of skull.
Fill in the blanks with correct options:





Each rib is a thin flat bone connected dorsally to ______ A ______ and ventrally to ______ B ______.
Fill in the blanks for A and B, respectively.

