Calorie balance refers to the relationship between the calories you consume from all foods and beverages and the calories you expend in basic body functions and through physical activity. When you are in calorie balance, the amount of calories you take in equals the amount of calories you burn and you maintain your body weight.
The inferior vena cava empties into the right atrium of the heart. The right atrium is located on the lower right back side of the heart. The inferior vena cava runs posterior, or behind, the abdominal cavity. This vein also runs alongside the right vertebral column of the spine. The inferior vena cava is the result of two major leg veins coming together.
The superior vena cava is located in the upper thoracic region. It is the main vein that drains into the right atrium of the heart. Blood returning from the brain, upper thora â¦ cic region, and arms travels through this vein to the heart.wo major veins bring deoxygenated blood from the body to the  heart: the superior vena cava and the inferior vena cava. The  Superior vena cava brings blood from the upper â¦ half of the body to  the right atrium of the heart.