Functioning of Heart
A four-chambered heart that is reponsible for supplying the blodd in the whole body. Arteries and veins aids to do this functioning. As arteries are enrich with higher level of oxygen content however, the veins are less concentrated with bodd content.
Electrocardiography is a device which is used to measure the electrical activity of the human heart.
| Who Is At Most Risk of Heart Disease | In Number per 100,000 people. |
| Males | 477.3 |
| Females | 396.9 |