Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

6. Bones & Skeletal Tissue

Gross Anatomy of Bone: Short, Flat, and Irregular Bones

Anatomy & Physiology

6. Bones & Skeletal Tissue

Gross Anatomy of Bone: Short, Flat, and Irregular Bones

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2:11 minutes

Problem 7c

Textbook Question

Classify the bones in the following diagram according to their shape.
c. _____

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Step 1: Review the classification of bones based on their shape. Bones are typically classified into four categories: long bones, short bones, flat bones, and irregular bones. Long bones are longer than they are wide, short bones are roughly cube-shaped, flat bones are thin and often curved, and irregular bones have complex shapes.

Step 2: Examine the diagram provided in the problem. Identify the specific bones shown and observe their physical characteristics, such as length, width, curvature, or complexity of shape.

Step 3: Match each bone in the diagram to its corresponding shape category. For example, if a bone is longer than it is wide and has a shaft with two ends, it is likely a long bone. If it is thin and flat, it may be a flat bone.

Step 4: Write down the classification for each bone based on your observations. Ensure that you are using the correct terminology for the shape categories.

Step 5: Double-check your classifications by comparing the characteristics of the bones in the diagram to the definitions of the shape categories. Confirm that each bone fits the criteria for its assigned category.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Bone Classification

Bones are classified into four main shapes: long, short, flat, and irregular. Long bones, like the femur, are longer than they are wide and primarily function in movement. Short bones, such as the carpals, are roughly cube-shaped and provide stability. Flat bones, like the skull, offer protection and surface area for muscle attachment, while irregular bones, such as the vertebrae, have complex shapes that fulfill various functions.

Long Bones

Long bones are characterized by their elongated shape and are primarily found in the limbs. They consist of a diaphysis (shaft) and epiphyses (ends), which are crucial for movement and support. Examples include the humerus and tibia. Their structure allows for the storage of marrow and the production of blood cells, making them vital for both locomotion and hematopoiesis.

Flat Bones

Flat bones are thin and often curved, providing protection to underlying organs and serving as attachment points for muscles. They are composed of two layers of compact bone surrounding a layer of spongy bone. Examples include the sternum and ribs. Their structure allows for efficient force distribution and contributes to the overall strength of the skeletal system.

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Related Practice

Multiple Choice

You are shown an image of a cross section of a bone. You decide it is likely a flat bone based on the structure. Without seeing the overall shape of the bone, how could you tell?

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