Aorta. The aorta is the largest blood vessel in the body. It is an artery that directly arises from the heart itself and descends through the thorax and into the abdomen. All the arteries of the body, save the pulmonary arteries, stem from the aorta or one of its main branches.
Ambulance Services. Ambulance Services Overview The Office of Emergency Medical Services licenses all ambulance services that are based in or regularly operate in Massachusetts, and certifies ambulance vehicles. Ambulance services may be private for-profit enterprises, private non-profit entities, municipally run or volunteer services.
The stated purpose of ambulance fees is that City residents do not subsidize the cost of ambulance services when those costs are more appropriately borne by those who use the services. The 2011 budget includes 630 firefighter positions assigned to Emergency Medical Services.he Chicago Fire Department (CFD) has been providing ambulance services since at least the 1920s. [1] From 1957 to 1977, the number of ambulances in service increased from 16 to 43. [2] Today, there is an average of at least 60 ambulances in service each day.