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.
<span>Fragmentation. Flatworm having both male and female organs and asexually by fragmentation. In fragmentation, a new organization is form from the old part which break from the parents. Each piece will become a separate worm.</span>
