blood vessels
What is the largest blood vessel in the human body?
Aorta
Which blood vessels carry oxygenated blood from the lungs to the heart?
Pulmonary veins
What is the smallest type of blood vessel?
Capillary
Which blood vessels carry deoxygenated blood from the body to the heart?
Veins
What is the function of arteries?
Carry oxygenated blood away from the heart
Which blood vessels have valves to prevent backflow?
Veins
What is the function of capillaries?
Exchange gases and nutrients between blood and cells
Which blood vessels supply the heart muscle with oxygen and nutrients?
Coronary arteries
What is the function of veins?
Carry deoxygenated blood back to the heart
Which blood vessels connect arterioles to venules?
Capillaries