The heart is a muscular organ about the size of a fist, located just behind and slightly ... (the strongest chamber) pumps oxygen-rich blood to the rest of the body. www.webmd.com |
In the human body, the heart is usually situated in the middle of the thorax with the largest part of the heart slightly offset to the left, although sometimes it is on ... en.wikipedia.org |
The heart is actually very much in the middle of your body, located between the two lungs under the sternum in a part of the body called the mediastinum. wiki.answers.com |