The Skeletal System worksheet for educational purposes, featuring a labeled human skeleton diagram and a word bank for bone identification.

Let's solve this skeletal system labeling exercise step by step. We'll identify each bone based on its location and match it with the correct term from the Word Bank.

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🔍 Step-by-step Labeling:

We’ll go from top to bottom, following the arrows on the diagram.

#### 1. Top of the head (skull)
- Arrow pointing to the cranium → Cranium

#### 2. Upper jaw (face)
- Arrow pointing to the upper jaw → Maxilla

#### 3. Lower jaw
- Arrow pointing to the lower jaw → Mandible

#### 4. Collarbone (shoulder)
- Arrow pointing to the horizontal bone at the top of the shoulder → Clavicle

#### 5. Shoulder blade (back of shoulder)
- Arrow pointing to the flat bone behind the shoulder → Scapula

#### 6. Rib cage (center, front)
- Arrow pointing to the central chest bone → Sternum

#### 7. Ribs (curved bones on side)
- Arrow pointing to the curved bones on the side → Ribs

#### 8. Spine (backbone)
- Arrow pointing to the vertical column in the back → Vertebrae

#### 9. Pelvic bone (hip area)
- Arrow pointing to the large pelvic structure → Pelvis

#### 10. Sacral region (bottom of spine)
- Arrow pointing to the triangular bone below the spine → Sacrum

#### 11. Upper arm bone
- Arrow pointing to the long bone in the upper arm → Humerus

#### 12. Forearm bones (two bones)
- The two bones in the forearm:
- One is Radius (on the thumb side)
- One is Ulna (on the pinky side)

> Since there are two arrows pointing to the forearm:
> - Outer forearm → Radius
> - Inner forearm → Ulna

#### 13. Hand bones
- Arrow pointing to the small bones in the hand → Metacarpals
- Arrow pointing to the fingers → Phalanges

#### 14. Thigh bone
- Arrow pointing to the longest bone in the body → Femur

#### 15. Knee cap
- Arrow pointing to the kneecap → Patella

#### 16. Lower leg bones (two bones)
- Two bones in the lower leg:
- Larger one → Tibia (inner side)
- Smaller one → Fibula (outer side)

> So:
> - Inner lower leg → Tibia
> - Outer lower leg → Fibula

#### 17. Foot bones
- Arrow pointing to the bones in the foot arch → Tarsals
- Arrow pointing to the bones in the toes → Metatarsals
- Arrow pointing to the toe bones → Phalanges (same as fingers)

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✔ Final Answer Key (From Top to Bottom):

| Arrow | Bone Name |
|-------|------------------|
| 1 | Cranium |
| 2 | Maxilla |
| 3 | Mandible |
| 4 | Clavicle |
| 5 | Scapula |
| 6 | Sternum |
| 7 | Ribs |
| 8 | Vertebrae |
| 9 | Pelvis |
| 10 | Sacrum |
| 11 | Humerus |
| 12 | Radius |
| 13 | Ulna |
| 14 | Metacarpals |
| 15 | Phalanges (hand) |
| 16 | Femur |
| 17 | Patella |
| 18 | Tibia |
| 19 | Fibula |
| 20 | Tarsals |
| 21 | Metatarsals |
| 22 | Phalanges (foot) |

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📝 Notes:

- Phalanges appear twice: once for fingers, once for toes.
- Tibia is medial (inner), Fibula is lateral (outer).
- Metacarpals = hand bones between wrist and fingers
- Metatarsals = foot bones between ankle and toes

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✔ All labels now match the Word Bank correctly.

Let me know if you'd like a printable version or an explanation of any specific bone!