Which type of muscle is found in the heart and contracts involuntarily?

What ability does the heart have to control its own contractions?

Which protein primarily composes the thin myofilaments in muscle fibers?

What structure within skeletal muscle can best be observed with an iron hematoxylin stain?

In skeletal muscle, which structure represents the lightest area in a sarcomere when observed under a microscope?

What term is used to describe the repeating units of striated muscle fibers?

The thick filaments in a sarcomere are primarily composed of which protein?

In skeletal muscle, where are the nuclei typically located?

Which muscle type has centrally located nuclei and a branched structure?

Explain the difference between a summative and a formative assessment. Include an example for each.