The Heart Flashcards
(37 cards)
which side of the heart is bigger?
left
what does the pulmonary artery do?
pumps deoxygenated blood to the lungs
what side is the pulmonary artery on?
right side
what does the aorta do?
carries oxygenated blood at a high pressure to the whole body
what does the valve do?
prevents backflow
what do the pulmonary veins do?
oxygenated blood enters through them
where does the right side supply?
the lungs
where does the left side supply?
the whole body
what do the coronary arteries do?
supply the heart with the oxygen it requires
where does deoxygenated blood enter the right atrium through?
the vena cava
where does oxygenated blood enter the left atrium?
through the pulmonary vein
how does blood move to a ventricle?
through a valve
where does blood travel to the lungs through?
the pulmonary artery
where does the blood travel to the whole body through?
the aorta
what is a double pump system?
where blood is pumped to the lungs by the right side of the heart and blood is pumped to the body by the left side of the heart
which direction do arteries go?
away from the heart
how is blood carried around the body?
blood vessels
what type of blood do arteries carry?
oxygenated blood at a high pressure
what is the lumen?
the hole in the middle of the artery
what is the lumen lined with?
smooth endothelial cells that reduce friction
what type of blood do the capillaries carry?
oxygenated and deoxygenated
what is the structure of capillaries?
tiny blood vessels with narrow lumens to slow blood down
how do capillaries allow diffusion?
small holes in their walls
what type of blood do veins carry?
deoxygenated blood
