Blood Flashcards
A fluid connective tissue consisting of blood cells and platelets
Blood
(Blank) transports gases (O2 and CO2) while (Blank) fight off infection
Red Blood Cells; White Blood Cells
55% of whole blood; Least dense; contains water, proteins(albumins, globulins, fibrinogen) other solutes (electrolytes, nutrients, gases, waste products)
Plasma
Contains platelets and leukocytes; <1% of whole blood
Buffy Coat
44% of whole blood; Most dense component
Erythrocytes
Percentage of volume all formed elements in the blood, which is attributed mainly by the percentage of volume of red blood cells
Hematocrit
The most abundant of the plasma proteins, they help retain water in the blood and also help transport hormones
albumins
Transport lipids but the immunoglobulins are produced by defense cells to help protect the body from pathogens that may cause disease
globulins
Helps with clot formation
Fibrinogens
Lack nuclei and organelles; Contain hemoglobin (binds oxygen and carbon dioxide) ; average lifespan is 120 days (Usually broken down in liver)
Erythrocytes
(Blank) produce antibodies to surface antigens not found on an individuals red blood cells
White Blood Cells (B-lymphocytes)
antibodies bind to the surface antigen of the transfused erythrocytes and clumps of erythrocytes and bind together
agglutination
Also called white blood cells; able to move out of blood vessels and into tissue (via diapedesis); divided into two groups granulocytes and granulocytes
Leukocytes
leave the blood vessels and enter tissue spaces where they phagocytize infectious pathogens (especially bacteria); Most abundant
Neutrophils
They phagocytize antigen-antibody complexes and release chemical mediators that attack parasitic worms; 2nd to the last in abundance
Eosinophils
release histamine (Vasodilator) and heparin (anti-coagulant) during an inflammatory or allergic reaction; least abundant
Basophils
Three types- T,B and Natural Killers; attack pathogens and abnormal/ infected cells. They also coordinate immune cell activity and produce antibodies; 2nd most abundant
Lympocytes
They can exit blood vessels (becoming macrophages) and phagocytize pathogens (bacteria, viruses and cellular debris; 3rd most abundant
Monocytes
Along with fibrin, form clots in response to damage, a low (blank) thrombocytopenia- makes one prone to bleeding; megakaryocytes, found in red bone marrow
Platelets
Production of blood cells; occur in red bone marrow; can produce myeloid or lymphoid stem cells; myeloid stem cells produce all other blood cells than lymphocytes
Hemopoiesis
