Which bone forms the lower portion of the pelvis?

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Multiple Choice

Which bone forms the lower portion of the pelvis?

Explanation:
The pelvis is built from two hip bones, each formed by a fusion of three parts: the upper ilium, the anterior pubis, and the lower posterior ischium. The lower portion of the hip bone, which sits beneath the body when standing and forms the bottom part of the pelvis, is the ischium. It includes the ischial region you sit on (the ischial tuberosities). The ilium makes the broad, top portion, and the pubis forms the front, near the pubic symphysis. The sacrum sits behind as part of the pelvic girdle but is not a component of the hip bone itself.

The pelvis is built from two hip bones, each formed by a fusion of three parts: the upper ilium, the anterior pubis, and the lower posterior ischium. The lower portion of the hip bone, which sits beneath the body when standing and forms the bottom part of the pelvis, is the ischium. It includes the ischial region you sit on (the ischial tuberosities). The ilium makes the broad, top portion, and the pubis forms the front, near the pubic symphysis. The sacrum sits behind as part of the pelvic girdle but is not a component of the hip bone itself.

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