The site where myosin heads to action in skeletal muscles are covered by
In resting muscle, troponin I is bound to actin and tropomyosin covers the site where myosin head interacts with actin. Ref: Ganong&;s Review of medical physiology;25th edition; pg: 104.
Tropomyosin
Troponin o
Calcium
None of the above
Nervous system