Myopathies is the term of the disease of skeletal muscles. The
responsible for muscle contraction are the interaction of myosin and actin. The
responsible for the striated appearance of skeletal muscle, and forms the basic
machinery necessary for muscle contraction is called sarcomere.
Answer:
I can't understand the language text in English and with your language name I reply that
I believe the answer in the blank should be protostar
Electrons. Hope this helps