After fifty, without modern medical care, a normal human heart becomes inadequate.
Murmurs may be present in normal hearts without any heart disease.
Lewis found doctors who told him that he had a "normal athlete's heart."
See a picture of blood flow through a normal heart .
Even in individuals who have a normal heart, alcohol can cause arrhythmias.
However, their use in structurally normal hearts is considered safe.
Someone will give us a normal heart so that Alyssa can live.
Elizabeth, the Novensterns' second child, was born with a normal heart.
On the diagramed deal from Saturday's game, 69 percent of the field reached a normal six hearts.
In a normal healthy heart there are 4 chambers.