the heart Flashcards
what 4 components make up blood
plasma , platelets, WBC, RBC
structure of artery
thick muscular wall and small lumen
structure of vein
thin muscular wall
big lumen
valves to stop backflow
risk factors of coronary heart disease
overweight
high fat diet
smoking
genetics (?)
structure of capillaries
walls 1 cell thick
where do arteries take blood
away from heart to lungs/body
where do veins take blood
in to heart from lungs/body
where are capillaries found
organs where diffusion of substances occur
4 chambers of heart
Left and right atria
Left and right ventricles
what is plasma
liquid part of blood
solution of salts, glucose , proteins and fats
what do WBC do
immune system
fight of disease
what do platelets do
involved in blood clotting
what do RBC do
carry oxygen
4 ways to treat cardiovascular disease
stent
statin
replace faulty heart valves
transplant
what is a stent
thin metal mesh inserted to keep coronary arteries open
