By taking over some of the work of the heart, VADs assist the heart by helping the ventricles pump blood, easing the workload of the heart in patients with heart failure. If the device is used to help (or unload) the left ventricle, it is called a left ventricular assist device (LVAD).
An assortment of villagers in Animal Crossing: New Leaf. Villagers are the main NPCs in the Animal Crossing series, and there are currently around 460 of them. They live simple, quiet lives scattered around the player's town. On the release of Wild World, villagers started to specialize in hobbies, such as fishing, finding fossils, collecting insects - to name but a few.
Any remaining children will grow up as usual, resulting in a total number of adult villagers somewhere above one third of the number of nearby wooden doors. The type of villager that the child is doesn't depend on what type the parents are, e.g., two farmer villagers can have a child that is any of the occupations. Unlike other breed-able mobs, the parents and child have no personal interactions other than socializing.