muscle models

 
The grade 12 Biology higher level students have just finished the movement sub topic in the animal physiology unit. To show the key features of the sliding filament theory of muscle contraction, the students modeled the structure of muscle sacromeres, including the position of actin and myosin filaments. These models were then used to show how nerve impulses and the release of calcium ions from the sarcoplasmic reticulum are used to coordinate muscle contraction.

 

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