Which one of the following is the correct description of a certain part of a normal human skeleton?

a) Glenoid cavity is a depression to which the femur bone articulates. It is located between the elbow joint and the shoulder.
b) Parietal bone and the temporal bone of the skull are joined by fibrous joint. The parietal bones form the posterior roof of the skull. The temporal bone is located at the lower sides of the skull and directly underneath the temple. Both the bones are joined by immovable fibrous joint known as sutures.
c) The first vertebra is an atlas, which articulates with the occipital condyles. Axis is the second vertebrae.
d) The 11th and 12th pair of ribs are called the floating ribs. It protects the kidney.
So, the correct answer is option B.