Chapter 11 Flashcards
Transportation of blood
Carries oxygen to tissues
Carries carbon dioxide and other wastes away from tissues
Hormones
Defense of blood
Defends body against pathogens
Removes dead and dying cells
Regulates
Body temp
Water salt balance
Body ph
Plasma
Liquid portion of blood
Plasma proteins
Albumins
Globulins
Fibrinogen- functions in blood clotting
Where is blood cells formed
Skull Ribs Vertebrae Iliac crests Ends of long bones
Hematopoiesis
Multi potent stem cells replicate
Each daughter cell then differentiates
Red blood cells
Small
No cell
Transport oxygen
Contains hemoglobin
Production of red blood cells
Myeloid stem cells give rise to erythroblasts
Erythroblasts divide many times
Love about 120 days
Destruction of red blood cells
Destroyed in liver and spleen
Hemoglobin is released.
Anemia
When blood cells don’t get enough oxygen.
Hemolysis can also cause anemia
White blood cells
Larger then rbc
Do not contain hemoglobin
Nucleated
Functions of white blood cells
Fight infection destroying dead and dying body cells
Reconignizing and killing cancerous cells
Platelets
Fragments of megakaryocytes
what do platelets do
Cessation of blood