The bone that you sit on is also known as the sits bones. The scientific name is the ischium which is a large swelling posteriorly on the superior ramus of the ischium.
The sacrum articulates with the hip bones of the pelvis.
The Ilium, Ischium and Pubis bones are the three main bones of the pelvis that are fused together
The pelvis is one bone.
No fish do not have a pelvis. Most fish do have bones, just not a pelvis.
THE SACRUM AND THE ILIUM ARE THE LARGEST BONES OF THE PELVIS AND THE ARE IN THE UPPER REGION OF THE PELVIS FOR A COMPLETE LIST OF THE PELVIC BONES SEE http://en.wikipedia.org/wiki/Pelvic_bone
Bones
no
Tracing down the spine the pelvis leads to the coccyx, aka the tailbone, though the femurs of your legs also extend past the bottom of your pelvis. The pelvis itself is made of the sacrum (back) and os coxa (sides) (and some people include the coccyx.)
no the female pelvis is bigger
It's your Hip Bones
pelvis
5