Julie experienced a break in the shaft of her femur. What part of her bone was fractured? Opiphysis $$ \begin{array}{l} ext { Epiphyseal plate } \ ext { Articular cartilage } \ ext { Diaphysis }\end{array} $$

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Julie experienced a break in the shaft of her femur. What part of her bone was fractured? Opiphysis $$ \begin{array}{l}	ext { Epiphyseal plate } \ 	ext { Articular cartilage } \ 	ext { Diaphysis }\end{array} $$

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To determine which part of Julie's femur was fractured, let's first understand the anatomy of a long bone like the femur.

1. **Diaphysis**: This is the long, tubular shaft of the bone. It is primarily composed of compact bone and is responsible for the bone's strength and support.

2. **Epiphysis**: These are the ends of the long bone, which are typically wider than the diaphysis. The epiphysis is involved in joint formation and contains spongy bone.

3. **Epiphyseal plate**: Also known as the growth plate, this is a layer of cartilage found in growing bones. It is responsible for the lengthening of the bone during development.

4. **Articular cartilage**: This is the smooth, white tissue that covers the ends of bones where they come together to form joints. It helps reduce friction and absorb shock in the joint.

Given that Julie experienced a break in the shaft of her femur, the fractured part of her bone is the **Diaphysis**.

Thus, the answer is:
- **Diaphysis**
The fractured part of Julie's femur is the **diaphysis**.

Julie experienced a break in the shaft of her femur. What part of her bone was fractured? Opiphysis \( \begin{array}{l}\text { Epiphyseal plate } \\ \text { Articular cartilage } \\ \text { Diaphysis }\end{array} \)

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