Circulation (B3)

Capillaries - Blood vessels that carry Oxygenated blood to the organ and deoxygenated blood away. 

Veins - Blood vessels that are thin, less elastic and have valves

Arteries - Blood vessels that are thick and elastic

Valves - Prevents the back flow of blood and keeps blood flowing in the correct direction

Aortis - Largest artery in the body

Pulmonary Artery - Only artery to carry deoxygenated blood. Travels between the heart…