Identify the bone marking highlighted in red labeled “B”

Identify the entire bone pictured here.

Identify the air-filled cavity highlighted in red labeled “A”

Identify the entire bone (left & right) highlighted in red labeled “A”

Identify the ridge bone marking highlighted in red labeled “A”

Identify the bone marking labeled “A”

Identify the entire bone (left & right) highlighted in blue labeled “B”

Identify the bone marking labeled “A”   

Identify the vertebral group of the vertebra labeled “A”

Identify the bone marking labeled “D”