L3 - Blood Flashcards
what are the 3 types of specialized cellular elements
erythrocytes
leukocytes
platelets
what is the function of water in plasma
it acts as a transport medium and carries and distributes heat
what are electrolytes
ions dissolved in blood
what is blood pH
7.4
why is venous blood slightly more acidic than arterial blood
CO2 and the dissociation of H+ ions
where are plasma proteins synthesized
in the liver
what is the most abundant plasma protein
albumin
what does albumin do
it contributes to the colloid osmotic pressure
what is angiotensin involved in
salt/water balance and blood concentration
what is the life cycle of an erythrocyte
120 days
where is erythropoietin produced
the kidney
what does erythropoietin do
stimulated red blood cell production
what is hemolysis
the breakdown of red blood cells
what is an example of positive feedback
blood clotting
what are platelets
cell fragments