Arteries are elastic vessels that transport blood away from the heart. The largest artery of the body is the aorta. The aorta originates from the heart and branches out into smaller arteries. The smallest arteries are called arterioles which branch into capillaries.

Structure of Arteries:

The artery wall consists of three layers:

• Tunica Adventitia
• Tunica Media
• Tunica Intima