ERA. 1  baseball, baseball game - a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs; he played baseball in high school; there was a baseball game on every empty lot; there was a desire for National League ball in the area; play ball!.
The contraction of the heart muscle starts in the two atria, which push the blood into the ventricles. Then the walls of the ventricles squeeze together and force the blood out into the arteries: the aorta to the body and the pulmonary artery to the lungs.
In chf, the heart cannot effectively pump blood from the lungs to the systemic circulation. So, the fluid cannot move forward and it thus remains backed up in the lungs. The fluid stays in the lungs because the heart is unable to do its job of pumping that from the lungs to the rest of the body. In chf, the heart cannot effectively pump blood from the lungs to the systemic circulation. So, the fluid cannot move forward and it thus remains backed up in the lungs.