1. Structure and Function vessels

2. STRUCTURE & FUNCTION OF….
Arteries
Take Blood AWAY from the heart
Thick muscular walls (high pressure)
Elastic
Usually carry oxygenated blood (except the pulmonary artery)
Arteries-Arterioles-Capillaries

3. STRUCTURE & FUNCTION OF….
Capillaries
Walls one cell thick to allow Diffusion of;
oxygen(O2) TO the muscle, and
carbon dioxide (CO2) FROM the muscle

4. STRUCURE & FUNCTION OF….
Veins
Take Blood TOWARDS the heart
Thin walls
Non-Return valves
Usually carry deoxygenated blood (except the pulmonary vein)
Capillaries-Venules-Veins