Why is it necessary to digest corn starch?

Your digestive system breaks down carbohydrates into glucose, which your body uses as fuel. Without the fiber, fat or protein to slow down this process, cornstarch provides your body with energy more quickly than whole-grain carb

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.