FUNCTIONS OF ARTERIES AND BLOOD VESSELS

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Types of Blood Vessels and Functions

Blood Vessel	Function
Arteries	Artery carry oxygenated blood under high pressure from the heart to other parts of the body.
Veins	Veins carry deoxygenated blood from the organs and tissues back to the heart.
Capillary	Capillaries connect arteries and veins.

Main Blood Vessels and Functions

Type of Blood Vessel	Name of Blood Vessel	Function
Artery	Aorta	Largest and principal artery which circulates oxygenated blood to all parts of the body through its branches.
	Coronary Artery	A branch of Aorta which supplies oxygenated blood to the heart tissues.
	Pulmonary Artery	Only artery which carries deoxygenated blood. It carries blood from the heart to the lungs for purification.
	Carotid Artery	The artery which supplies oxygenated blood to the head and neck.
Vein	Superior Vena Cava	This vein returns deoxygenated blood from the head, arms and thorax to the heart.
	Inferior Vena Cava	This vein returns deoxygenated blood from the abdomen and legs to the heart.
	Coronary Vein	This vein returns deoxygenated blood from the heart muscles to the heart.
	Pulmonary Veins	Four pulmonary veins, two from each lung carry oxygenated blood from lungs to the heart.
	Jugular Veins	The vein that brings back deoxygenated blood from the head via the superior vena cava to the heart.