Answer: rolling friction, air resistance.
Explanation:I just took the test on apex
Answer:
Your bloodstream.
Explanation:
The cells in your pancreas produce insulin which needs to be sent to the rest of your body to tell your cells to take in glucose (sugar) for energy. In order to get sent out of the pancreas' cells, the insulin needs to go through your bloodstream.
Cells, the basic unit of life, are derived from spontaneous generation.