Longest bone of human skeleton `:-`

Options

A. Femur
B. Humerus
C. Tibia
D. Radius

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the longest bone in the human skeleton.

2. **Review the Options**: The options provided are:
- A) Femur
- B) Humerus
- C) Tibia
- D) Radius

3. **Recall Bone Names and Functions**:
- **Femur**: Known as the thigh bone, it is located in the upper leg.
- **Humerus**: This is the bone of the upper arm.
- **Tibia**: This is one of the bones in the lower leg, also known as the shin bone.
- **Radius**: This is one of the two bones in the forearm, located on the same side as the thumb.

4. **Determine the Length of Each Bone**:
- The femur is the longest bone in the human body, measuring approximately 19.9 inches (about 50.5 cm) in length.
- The other bones (humerus, tibia, radius) are shorter in comparison.

5. **Conclusion**: Based on the information, the longest bone in the human skeleton is the femur.

6. **Final Answer**: The correct answer is option A) Femur.

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