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Axial Skeleton Worksheet

A Grade 12 Science worksheet focusing on the components, functions, and unique features of the human axial skeleton.

Grade 12 Science BiologyAxial Skeleton
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ImageMultiple ChoiceFill in the BlanksTrue / FalseShort AnswerMatching

Standards

NGSS.HS-LS1-2

Topics

BiologyAnatomyAxial SkeletonSkeletal SystemGrade 12
8 sections · Free to use · Printable
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Axial Skeleton Worksheet

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Read each question carefully and answer to the best of your knowledge. This worksheet covers topics related to the human axial skeleton.

Refer to the diagram below for questions in this section.

Full human skeleton diagram

1. Which of the following bones is part of the axial skeleton?

a

Femur

b

Scapula

c

Sternum

d

Humerus

2. The primary function of the axial skeleton is to:

a

Facilitate movement of the limbs

b

Protect internal organs and provide support

c

Produce blood cells

d

Store minerals and fats

3. The vertebral column is composed of   individual bones called vertebrae.

4. The most superior bone of the vertebral column is the  , which articulates with the occipital condyles of the skull.

5. The   is a U-shaped bone located in the anterior neck, unique because it does not articulate with any other bone.

6. The sacrum and coccyx are part of the appendicular skeleton.

T

True

F

False

7. The thoracic cage protects the heart and lungs.

T

True

F

False

8. List the three main components of the axial skeleton.

9. Describe the difference between true ribs, false ribs, and floating ribs.

Match each bone or structure with its correct description.

10. Atlas

 

a. The breastbone

11. Axis

 

b. First cervical vertebra; supports the skull

12. Sternum

 

c. Second cervical vertebra; allows head rotation

13. Mandible

 

d. The lower jaw bone