Answer:
blood consists of plasma, red blood cells, white blood cells, and platelets
Explanation:
They break down sugar molecules to provide energy for the cell.
Good luck! :)
It would be D because would be small and you wouldn't feel it. For answer A, the scientist could feel it. For answer B, you can kind of feel it or feel it. For C, It can definitely feel it. So the answer would be d.
