Answer:
Each time your heart beats, an electrical signal travels through the heart. An EKG can show if your heart is beating at a normal rate and strength. It also helps show the size and position of your heart's chambers. An abnormal EKG can be a sign of heart disease or damage.
Anemia is the condition describing either a decrease in the number of red blood cells or the hemoglobin within the red blood cells
~ C. Population
Population is all the inhabitants of a particular town, area, or country.