In the beef cattle diet, common roughages include hay, silage and grass. Silage is a crop that has been preserved in a moist, succulent condition by partial fermentation in a tight container (silo) above or below ground. The majority of the food cattle eat comes from this type of feedstuffs.
Birds (some dinosaurs) and mammals have a four-chambered heart. The ventricle is divided by a septum into two compartments completely separating oxygenated from deoxygenated blood and delivering the maximum amount of oxygen to the head and body at the most efficient pressure.
There are two muscles that divide the chambers of the heart. The  right and left ventricles are divided by the interventricular  septum and the right and left atria are diviâ¦ded by the interatrial  septum. Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time.