Final answer:
Chemotherapy drugs can target non-cancer cells in the body as they interfere with cell division. This can result in side effects such as hair loss and depletion of blood cells.
Step-by-step explanation:
Chemotherapy drugs interfere with cell division and are typically delivered through the bloodstream. They can affect both cancer cells and normal rapidly growing cells. This is why chemotherapy can cause side effects such as hair loss and depletion of blood cells.