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:
The arteries (red) carry oxygen and nutrients away from your heart, to your body's tissues. The veins (blue) take oxygen-poor blood back to the heart. 1  Arteries begin with the aorta, the large artery leaving the heart.