Q: When cells start to divide uncontrollablly, they may form a what?\nOptions:\n- (A) anemia\n- (B) tissue\n- (C) fever\n- (D) cell\n- (E) organ\n- (F) fibroid\n- (G) acid rain\n- (H) illness
Let's think step by step below.

User
Cells that divide uncontrollably may form a tumor, or abnormal mass of cells. For example, a fibroid is a tumor, a wart is a tumor, and cancers are tumors. Cells that divide uncontrollably may form a fibroid.
Thus, the answer is (F).
Assistant