High blood glucose, also called blood sugar, can harm your baby during the first weeks of pregnancy, even before you know you are pregnant. If you have diabetes and are already pregnant, see your doctor as soon as possible to make a plan to manage your diabetes.
These are the only veins in the body that carry fresh, oxygenated blood. Blood leaves the heart from the left ventricle through the artery called the aorta. The aorta has several branches into other arteries that are carrying blood away from the heart and to the body tissues.
Blood Vessels. The heart pumps blood through blood vessels, which carry the blood to and from all areas of the body. This whole network of vessels for blood circulation is called the vascular system.All the arteries and veins outside the heart and head make up the peripheral vascular system.lood Vessels. The heart pumps blood through blood vessels, which carry the blood to and from all areas of the body. This whole network of vessels for blood circulation is called the vascular system.