Jurisdictions throughout Canada and the US have ministries or departments, respectively, of corrections, correctional services, or similarly-named agencies. Corrections is also the name of a field of academic study concerned with the theories, policies, and programs pertaining to the practice of corrections.
Heart & Blood Vessels: Your Coronary Arteries. The heart receives its own supply of blood from the coronary arteries. Two major coronary arteries branch off from the aorta near the point where the aorta and the left ventricle meet. These arteries and their branches supply all parts of the heart muscle with blood. The left main coronary artery branches into:
Heart-is the hollow muscular organ that pumps blood through our body. See image 2. Blood vessels are hollow blood-carrying tubes that form a closed network. There are three types of blood vessels: arteries, veins and capillaries. Arteries are blood vessels that carry oxygen-rich blood away from the heart.