Exploring the Skeletal System
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Objective
I can analyze the structure and function of the skeletal system.
Part 1 of 4
Warm-up video
CrashCourse · 10:38Vetted channel
We don't generate video — this one is by CrashCourse on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
Your axial bones are found along your body’s vertical axis, while your appendicular bones make up your limbs.
- 2
Osteoblasts are bone-building cells that secrete collagen and enzymes to construct bones, while osteoclasts break down bone tissue through a process called resorption.
- 3
In microgravity, osteoclasts increase their rate of bone resorption, while osteoblasts decrease bone formation, leading to bone loss in astronauts.
Part 3 of 4
Practice
7 questions
What are the two main divisions of the skeletal system, based on location, and what areas do they encompass?
Describe the four main classifications of bones based on shape, and give an example of each.
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe the roles of osteoblasts and osteoclasts in bone remodeling. Be sure to include the term 'resorption' in your answer.”
Sample answer included in the free materials
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Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
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