The Cardiovascular System, also known as the circulatory system, is responsible for transporting blood, oxygen, nutrients, hormones, and other essential substances throughout the body. It consists of the heart, blood, and blood vessels (arteries, veins, and capillaries), which work together to deliver oxygen and nutrients to tissues while removing carbon dioxide and waste products. The cardiovascular system also helps regulate body temperature, maintain fluid balance, and support the immune system. Understanding the cardiovascular system is essential for learning human anatomy and for recognizing, preventing, and managing heart and blood vessel diseases.
Introduction The aorta is the body’s largest artery, carrying oxygenated blood from the heart to supply organs and tissues throughout the body. It originates in the left ventricle and is anatomically divided into five regions: the aortic root, ascending aorta, aortic arch, descending thoracic aorta, and abdominal aorta. As it reaches the lower abdomen, the…
