Question

4 which of the following is a result of an uncontrolled division of cells? a heart attack b tumor c stroke d blood pressure

Explanation:

Cells normally divide in a controlled way. Uncontrolled cell - division leads to the formation of a mass of abnormal cells, which is a tumor. Heart attacks are usually due to problems with blood flow to the heart, strokes are related to blood flow in the brain, and blood pressure is the force of blood against artery walls.

Answer:

B. Tumor