CHAPTER 17 BLOOD
Lymphocytes make up what percent of WBC?
30%
Basophils make up what percent of WBC?
1%
Leukocytes make up what percent of the total blood volume?
<1%
Neutrophils make up what percent of WBC?
60%
Monocytes make up what percent of WBC?
3-8%
Eosinophils make up what percent of WBC?
2-4%
Leukocytes function in?
Defense against disease: normal response to bacterial or viral invasion
Blood
A connective tissue composed of cells, fluids, and chemicals
RBC or red blood cells
Erythocytes
WBC or White Blood Cells
Leukocytes
Platelets
Thrombocytes
Functions of blood
Distribution of substances, regulates blood levels of substances, protects against infection, fluid loss (mainly H2O), and blood loss (clotting)
Complete cells
White Blood Cells
Have no nuclei or organelles
Red Blood Cells
Cell Fragments
Platelets or Thrombocytes
Hematopoiesis
Blood cell formation
Occurs in red bone marrow (spongy bone) of
axial skeleton, girdles, and proximal epiphyses of humerus and femur.