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.
A ventricle is a chamber which collects blood from an atrium and pumps it to different places of the human body.Left ventricle pumps blood into the systemic circulation and for the rest of the entire body. Into the lungs http://en.wikipedia.org/wiki/Heart#Funct... to the pulmonary arteries and to the lungs.