Grade 12 Bone Tissue Worksheet
This worksheet covers the structure, function, and types of bone tissue, including microscopic anatomy and bone remodeling, suitable for Grade 12 biology students.
Includes
Standards
Topics
Bone Tissue: Structure and Function
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Use complete sentences and specific terminology where appropriate.
1. Which of the following is the primary cell type responsible for building new bone tissue?
Osteoclasts
Osteoblasts
Osteocytes
Chondrocytes
2. The diaphysis of a long bone is primarily composed of which type of bone tissue?
Spongy bone
Compact bone
Cartilage
Marrow
3. The primary organic component of the bone matrix, providing flexibility and tensile strength, is .
4. The functional unit of compact bone, consisting of concentric lamellae around a central canal, is called an .
5. Describe the main differences in structure and function between compact bone and spongy bone.
6. Examine the diagram of a long bone cross-section below. Identify structures A, B, and C, and briefly explain the function of each.
A:
B:
C:
7. Bone remodeling is a continuous process involving both bone formation and bone resorption.
True
False
8. Discuss the role of calcium homeostasis in bone health and explain how hormones like parathyroid hormone (PTH) and calcitonin regulate blood calcium levels.
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