The epithelial cells are attached to the underlying tissue by-

Study the following statements
$A)$ Compound epithelium forms the lining of the larger pancreatic ducts as stratified cuboidal epithelium
$B)$Cartilage is a vascular tissue surrounded by fibrous connective tissue sheath called perichondrium
$C)$Gap junctions in cardiac muscles permit electrical impulses to be conducted rapidly
$D)$ Myelinated nerve fibres are found in grey matter of the central nervous system

Among the above, identify incorrect statements

Bone of hand is