The pelvis is a bony structure located at the base of the spine, connecting the trunk to the lower limbs. It consists of several bones, including the ilium, ischium, and pubis, which together form the hip bones. The pelvis supports the weight of the upper body when sitting and standing and protects the organs in the lower abdomen. In humans, the pelvis is also crucial for movement and walking, as it provides attachment points for various muscles. Additionally, the shape of the pelvis differs between males and females, which is important for childbirth in females, allowing for the passage of the baby during delivery.