Educational worksheet titled "The Structure of the Skeleton" with front and back views of a human skeleton, blank labels to fill in, and a key word list including bones like humerus, femur, and radius.

Here is the completed labeling for “The Structure of the Skeleton” worksheet, with each blank filled in according to standard human skeletal anatomy and using only the provided Key Words.

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✔ Left Side (Front View) — Top to Bottom:

1. Cranium — The skull bone enclosing the brain (top arrow pointing to head).
2. Clavicle — Collarbone, connecting sternum to scapula (arrow pointing to shoulder area).
3. Sternum — Breastbone in center of chest (arrow pointing to mid-chest).
4. Ribs — Curved bones protecting thoracic cavity (arrow pointing to rib cage).
5. Pelvis — Hip bone structure (arrow pointing to hip region).
6. Femur — Thigh bone (longest bone in body; arrow pointing to upper leg).
7. Patella — Kneecap (arrow pointing to knee joint).
8. Tibia — Shin bone (inner lower leg; arrow pointing to front of lower leg).
9. Fibula — Outer lower leg bone (arrow pointing to side of lower leg).
10. Tarsals — Bones of the ankle (arrow pointing to ankle region).
11. Metatarsals — Bones of the foot (between ankle and toes; arrow pointing to mid-foot).
12. Phalanges — Toe bones (arrow pointing to toes).

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✔ Right Side (Back View) — Top to Bottom:

1. Scapula — Shoulder blade (arrow pointing to upper back near shoulder).
2. Vertebral Column — Spine/backbone (arrow pointing along spine).
3. Humerus — Upper arm bone (arrow pointing to upper arm).
4. Radius — Forearm bone on thumb side (arrow pointing to forearm — note: from back view, it’s still labeled as radius; anatomically, ulna is posterior but radius is often labeled in simplified diagrams).
5. Ulna — Forearm bone on pinky side (arrow pointing to other forearm bone — *note: if one is radius, the other must be ulna*).
6. Carpals — Wrist bones (arrow pointing to wrist).
7. Metacarpals — Hand bones (between wrist and fingers; arrow pointing to palm).
8. Phalanges — Finger bones (arrow pointing to fingers — *same term used for both fingers and toes*).
9. Pelvis — Hip bone (back view, same as front — arrow pointing to hip).
10. Femur — Thigh bone (back view — arrow pointing to upper leg).
11. Tibia — Shin bone (back view — arrow pointing to lower leg).
12. Fibula — Outer lower leg bone (back view — arrow pointing to side of lower leg).
13. Tarsals — Ankle bones (back view — arrow pointing to ankle).
14. Metatarsals — Foot bones (back view — arrow pointing to mid-foot).
15. Phalanges — Toes (back view — arrow pointing to toes).

> 💡 Note: Some labels are repeated (like Phalanges, Pelvis, Femur, Tibia, Fibula, Tarsals, Metatarsals) because they appear in both front and back views — this is correct and expected.

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🧩 Final Answer — Filled Blanks (in order as they appear on worksheet):

#### Left Side (Front View):
1. Cranium
2. Clavicle
3. Sternum
4. Ribs
5. Pelvis
6. Femur
7. Patella
8. Tibia
9. Fibula
10. Tarsals
11. Metatarsals
12. Phalanges

#### Right Side (Back View):
1. Scapula
2. Vertebral Column
3. Humerus
4. Radius
5. Ulna
6. Carpals
7. Metacarpals
8. Phalanges
9. Pelvis
10. Femur
11. Tibia
12. Fibula
13. Tarsals
14. Metatarsals
15. Phalanges

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✔ All blanks filled using only words from the Key Words table.

This exercise reinforces understanding of major skeletal landmarks and their positions in both anterior and posterior views. Great for learning basic human anatomy!

Let me know if you’d like a printable version or diagram with labels overlaid!