Blood vessels Flashcards
Name the 3 blood vessels
Arteries,Capillaries and Veins
Where does the Arteries pump blood to?
Pumps blood from the heart
Name the features of the Arteries
Has strong and thick walls to bump blood at high pressure, have layers of muscle to make them strong, elastic fibres to allow them to stretch
Where does the Capillaries pump blood to?
carries blood close to every cell to exchange substance with them
Name features of the Capillaries
They have permeable walls to exchange substances, supply food and oxygen, walls are one cell thick
Where do the Veins pump blood to?
Veins take blood back to the heart
Name the features of the Veins
blood is at lower pressure, bigger lumen to help blood flow, has valves to keep blood flowing in the right direction