I believe its the very last one or the very 1st one. sorry I could only give a 50/50 answer:/
The function of the digestive system is to (a) Break down food.
Hope this helped!
a) cytoskeleton as it's responsible for formation of spindle filaments during cell division
The answer that would best complete the given statement above would be the second option: MUSCLES. Contractile proteins are found in muscles. <span>The muscles themselves contain muscle fibers, each of which contains cylindrical strands of </span>contractile proteins <span>called myofibrils. Hope this answers your question.</span>
