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

Identify the entire bone pictured here.

Identify the bone marking highlighted in red labeled “B”

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

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

Identify the bone marking labeled “A”

Identify the bone marking labeled “A”   

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

Identify the vertebral group of the vertebra labeled “A”

Identify the entire bone pictured here. Is it right or left?