blood Flashcards
what is blood plasma?
it is the liquid portion 55% of blood volume that contains water,proteins, dissolved substances
how much of blood is made up of water?
91 and a half %
how much of blood is made of proteins?
7% made by liver -globulins
blood clotting proteins
antibodies- gamma globulins
how much of blood is made of dissolved substances?
1%
a) electrolytes- ions Na+(sodium),
b) nutrients- sugars, amino acids, vitamins
c) gasses- oxygen, nitrogen, carbon dioxide
d) waste products- carbon dioxide, urea, biliruben
what type of cell makes up 99% of blood cells?
erythrocytes- red blood cells (RBC)
what is the anatomy & function of erythrocytes?
1) no nucleus
2) bi-concave disc shape increase surface area, flexible
3) filled with hemoglobin( big protein that carries oxygen)
4) has a short life span of 120 days
the function is to carry oxygen in blood
what are leukocytes?
white blood cells (WBC) all immune cells
what are the granular leukocytes?
1) neutrophils
2) eosinophils
3) basophils
what are the agranular leukocytes?
1) lymphocytes
2) monocytes
what type of leukocytes has big kidney shaped nucleus go to connective tissue and turn into macrophages?
monocyte (agranular leukocyte)
what is eosinophil?
is a granular leukocyte. 2 lobes in nucleus connected by strand of nucleoplasm release chemical to fight worms.
what type of leukocyte is a big roundish nuclei, includes T cells and B cells, controls the immune system, makes antibodies, releases chemicals to fight infection?
lymphocytes (agranular)
what type of leukocytes has a totally irregular nucelus, releases histamine causes swelling?
basophil (granular)
what is a neutrophil?
granular leukocytes. nucleus with 2-6 lobes, releases chemicals to kill bacteria.
what is platelets- thrombocytes?
is involved in blood clotting pieces of cells. formed in red bone marrow when a megakaryocyte fractures into pieces the platelets enters the blood
