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Lesson 12Bones

The Pelvis Bowl

The crossroads of your skeleton

Your pelvis is a bowl of bone at the centre of your body. It cradles your organs, connects your spine to your legs, and is the crossroads where every step you take passes through.

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The pelvis from front and above

Real anatomy picture coming soon

Real anatomy photo spot: ilium, ischium, pubis and sacrum forming the pelvic bowl

Three bones on each side

Each half of your pelvis is made of three bones that fuse together as you grow: the ilium — the big wing you can feel at your hip; the ischium — the curved bone you sit on; and the pubis — the front bone where the two halves join at the pubic symphysis. Behind, the two halves join the sacrum, the wedge of bone at the bottom of your spine.

Why a bowl?

A bowl holds things. Your bladder, intestines and reproductive organs all sit inside the pelvic bowl. But the pelvis is also your body's transfer station — every step sends force from your legs up through the pelvis into your spine, and back down again. It's the keystone of your whole body.

Mr. Bones says: I'm a fictional skeleton, not a doctor! This is for learning and fun. If anything hurts, stop and tell a grown-up you trust.

Knowledge Check

1

Which pelvis bone do you feel at your hip?

2

Which bone do you sit on?

3

What does the pelvis connect?

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