Question

List every major bone in the body

Answer 1

The human skeleton consists of 206 bones in adulthood, which can be categorized into two major divisions: the axial skeleton and the appendicular skeleton. Here’s a list of the major bones in the body:

### Axial Skeleton
1. **Skull (Cranial Bones)**
- Frontal bone (1)
- Parietal bones (2)
- Temporal bones (2)
- Occipital bone (1)
- Sphenoid bone (1)
- Ethmoid bone (1)

2. **Facial Bones**
- Nasal bones (2)
- Maxillae (2)
- Zygomatic bones (2)
- Palatine bones (2)
- Lacrimal bones (2)
- Inferior nasal conchae (2)
- Vomer (1)
- Mandible (1)

3. **Hyoid Bone** (1)

4. **Vertebral Column**
- Cervical vertebrae (7)
- Thoracic vertebrae (12)
- Lumbar vertebrae (5)
- Sacrum (1, fused from 5 sacral vertebrae)
- Coccyx (1, fused from 4-5 coccygeal vertebrae)

5. **Thoracic Cage**
- Ribs (24 total; 12 pairs)
- Sternum (1)

### Appendicular Skeleton
1. **Pectoral Girdle**
- Clavicles (2)
- Scapulae (2)

2. **Upper Limbs**
- Humerus (2)
- Radius (2)
- Ulna (2)
- Carpal bones (8 per wrist; 16 total)
- Metacarpals (10 total; 5 per hand)
- Phalanges (28 total; 14 per hand)

3. **Pelvic Girdle**
- Hip bones (2, each consisting of the ilium, ischium, and pubis fused together)

4. **Lower Limbs**
- Femur (2)
- Patella (2)
- Tibia (2)
- Fibula (2)
- Tarsal bones (7 per ankle; 14 total)
- Metatarsals (10 total; 5 per foot)
- Phalanges (28 total; 14 per foot)

### Summary
This list provides a comprehensive overview of the major bones in the human body. Each category contributes to the overall structure and function of the skeletal system, including protection of vital organs, support for the body, and facilitation of movement.