Question

Dr. Finneus peered into the microscope. Hoping for great results. To get the cells to fight the virus. That was the most difficult task. The doctor held his breath and focused the eyepiece. He could not believe what he saw. Studying this amazing outcome further. Dr. Finneus realized he had succeeded. Becoming famous. That was not important to him. To conquer this pesky bug was the doctor's greatest dream. As he shouted "Eureka" and jumped into the air. The doctor nearly knocked his slide to the floor and lost his precious findings.

How many sentence fragments exist in this paragraph?