After the power stroke, ADP is released<span>; however, the cross-bridge formed is still in place, and actin and myosin are bound together. </span>ATP can<span> then attach to myosin, which allows the cross-bridge cycle to start again and further </span>muscle contraction can occur<span> </span>
B. Hold large amounts of food.
Some parts of plant materials, like cellulose, are hard to digest. The digestive tract of herbivores is adapted so that the food can be digested properly.