sentence: Arteries have thick covering, and are situated deep under the skin.
sentences_before: An 'artery' is a blood vessel that carries blood away from the heart to other parts of the body. Some arteries lead to your lungs. Most of the time, arteries carry oxygen-rich blood within them.
sentences_after: Valves are not available in these vessels.
concept_name: artery
headings: Artery
categories: Blood vessels