And in the department of Quetzaltenango, 125 miles (200 kilometers) west of Guatemala City, a boulder loosened by rains crushed a house, killing two children and two adults, de Leon said. Calls to local radio stations told of many more landslides and possible deaths, but those reports could not be immediately confirmed.
From the right ventricle, blood is pumped through the semilunar pulmonary valve into the left and right main pulmonary arteries (one for each lung), which branch into smaller pulmonary arteries that spread throughout the lungs. Development. The pulmonary circulation loop is virtually bypassed in fetal circulation.
On contraction of the Atria, the blood enters the Right Ventricle. Contraction of the V â¦ entricles then forces blood to the lungs, via the Pulmonary Artery, where after Oxygenation, it is transported to the left Atrium via the Pulmonary veins. The Pulmonary Veins, unlike other vessels of this kind, contain Arterial blood. 3 people found this useful.