another way to think about the idea of nutrient dense and calorie dense foods is to look at a variety of foods that all provide the same calories let s say that you wanted to have a snack that contained about 100 calories
The aorta is the largest pathway of the circulatory system. Arteries are also a part of this system. They move blood from one location to another throughout the body. The aorta is the largest pathway of the circulatory system. Arteries are also a part of this system. They move blood from one location to another throughout the body.
The main objective of the circulatory system is  transporting oxygenated (rich saturation of oxygen) blood around  the body. The de-oxygenated blood enters through the vena cava and  into the right atrium of the heart. It then goes to the right  ventricle, directly below the atrium.