Compare and contrast the structures of a synchondrosis and a symphysis.
a) Synchondrosis lacks cartilage, while symphysis has cartilage.
b) Synchondrosis is immovable, while symphysis is slightly movable.
c) Synchondrosis connects bones with hyaline cartilage, while symphysis connects bones with fibrocartilage.
d) Synchondrosis is found in the skull, while symphysis is found in the pubic symphysis.