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.
The circulatory system is the body's transport system. It is made up of a group of organs that transport blood throughout the body. The heart pumps the blood and the arteries and veins transport it. Oxygen-rich blood leaves the left side of the heart and enters the biggest artery, called the aorta.The aorta branches into smaller arteries, which then branch into even smaller vessels that travel all over the body.he heart pumps the blood and the arteries and veins transport it. Oxygen-rich blood leaves the left side of the heart and enters the biggest artery, called the aorta. The aorta branches into smaller arteries, which then branch into even smaller vessels that travel all over the body.