The pelvis is the lower part of the trunk, between the abdomen and the thighs, with its embedded skeleton (bony pelvis) and the pelvic cavity. The bony pelvis consists of the sacrum, coccyx, and hip bones, which connect the spine with the lower limbs and support the reproductive organs and the rectum. The pelvic girdle is the ring shaped collection of these bones at the base of the spine. In this section, learn more about the bones of the pelvis – the hip, sacrum and coccyx, and the pelvic girdle. Learn about the pelvis, the lowermost part of the body trunk, formed by the hip bone , sacrum, and coccyx. Find out its location, parts, joints, functions, and variations in males and females. Pelvic Bone is a basin shaped complex bone which connects the trunk and legs and supports the urinary bladder, intestines as well as internal sex organs of the body. The pelvis assists in protecting the reproductive as well as the digestive organs of the human body. It also provides support to the spinal cord. It is made up of three parts: sacrum, tailbone and hip bones .