Question

a hip is an example of a ______ joint.
a ball - and - socket
b hinge
c gliding
d pivot

Explanation:

The hip joint consists of a ball - shaped head of the femur that fits into a cup - like socket in the pelvis, which is characteristic of a ball - and - socket joint. Hinge joints (like the knee) allow movement in one plane, gliding joints allow bones to slide over each other, and pivot joints allow rotational movement around a single axis.

Answer:

A. ball - and - socket