Cardiovascular system Flashcards
(5 cards)
1
Q
Arteries (largest)
A
Thick outer wall, muscular and elastic layer
Carry blood away from the heart withstands pressure of fast- flowing blood being pumped from the heart
2
Q
Veins
A
Thin outer wall, thin muscular, elastic layer
Carry deoxygenated blood from body back into the heart
3
Q
Capillaries (smallest)
A
One cell thick
Diffuse substances across the capillary wall = exchanges materials in and out of cell
4
Q
Pulmonary
A
Left side pumps oxygenated blood through the body via pulmonary vein
Right side pumps deoxygenated blood to the lungs via pulmonary artery
5
Q
Systemic
A
Oxygenated blood travels from left ventricle to the body via aorta
Blood delivers oxygen and nutrients to major organs
Blood re-enters the heart via the vena cava
