Curated OER
The Muscular System
Muscles and the chemicals myosin and actin are described in the sliding filament theory by Paul Andersen using pictures on his Smart Board. Give your young scientists a clear idea of muscle contraction by showing this video.
Khan Academy
Role of the Sarcoplasmic Reticulum in Muscle Cells, NCLEX-RN
Many of the concepts mentioned as an aside in previous videos are reintroduced here. By listening to Salman's recap of an action potential, students will understand how a nerve impulse can stimulate the release of neurotransmitters which...
Curated OER
Skeletal Muscle Structure
Skeletal or striated, muscles are shown down to the chemical components. All the fibers that make up a muscle cell are described and animated. Use this to illustrate the parts of skeletal muscles for your anatomy or biology classes.
Curated OER
Muscular System Structure and Function
A slide show on the muscular system is narrated, discussing the types of muscles and their functions. The muscle is shown in all its parts; the narrator briefly touches on filaments and contraction.
Curated OER
Human Body - Strength - Part 2/4
When a hiker gets trapped under a one-and-a-half ton piece of sandstone, he is shockingly able to throw off the slab. Because we normally use only one-third of our muscle fibers at a time, the potential for more is available in...