The Skeletal System: It's ALIVE! - CrashCourse Biology
Interactive Video
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Quizizz Content
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Biology, Health Sciences
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11th Grade - University
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Hard
13:10
The video explores the fascinating world of bones, starting with animal skulls and their adaptations. It delves into different types of skeletons, including endoskeletons, exoskeletons, and hydrostatic skeletons. The history of osteology is discussed, highlighting Andreas Vesalius's contributions. The structure and function of bones are explained, focusing on ossification and the roles of osteoblasts and osteoclasts. The process of bone remodeling and its hormonal regulation is covered, emphasizing the importance of calcium and exercise. The video concludes with a preview of the next episode on muscles.
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4 questions
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1.
OPEN ENDED
3 mins • 1 pt
What are the differences between compact bone and spongy bone?
2.
OPEN ENDED
3 mins • 1 pt
Explain the importance of vitamin D in bone health.
3.
OPEN ENDED
3 mins • 1 pt
What is the role of the marrow in bones?
4.
OPEN ENDED
3 mins • 1 pt
How does exercise influence bone density and strength?