14 facial bones, bone to bone attachment is called ligaments, knee bone is called petella

Patella also functions to allow for smooth movement of the knee in flexion and extension and also protects the antiero surface of the knee joint the pattela is only bone of the human body

-there are 14 facial bones

-igament can be defined as a short band of tough ,flexible fibrous connective tissue which -connects two bones or cartilages or holds together a joint

the patella is the larg...read more