Muscular System

This Muscular System video also includes:

To take one step, the body uses about 200 muscles. In the video, learners see the difference between the three types of muscles found in the human body—skeletal/striated, smooth, and cardiac. The instructor then explains, in detail, how myosin and actin work to contract a skeletal muscle in the presence of ATP and calcium, or the sliding filament theory. 

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CCSS: Adaptable
NGSS: Adaptable
Additional Tags
Instructional Ideas
  • Place learners in pairs and pause video, asking pre-scripted questions about the filament theory and allow time for discussion
Classroom Considerations
  • This is the sixth video six in a series of 21
  • Assumes learners have some understanding of ATP and its role in the body
  • Video teaches concepts important in AP Biology and other higher level biology classes
  • Uses high-quality images and diagrams
  • Video is short, allowing time for follow-up activity to support the concepts taught
  • Includes closed captioning for those learners who struggle with English or are hearing impaired
  • None
Common Core