Which Muscle Component is Smallest

Question

Which muscle component is smallest?
A) myofibril
B) myosin filament
C) sarcomere
D) muscle fiber

Accepted Answer

Myosin filaments are the smallest muscle component, measuring about 1-2 micrometers in diameter, whereas myofibrils can reach up to several micrometers in diameter, sarcomeres can be several micrometers long, and muscle fibers can be several millimeters in length.