Blood Flashcards
Blood
A type of connective tissue
* Red blood cells (erythrocytes)
* White blood cells (leukocytes)
* Platelets – cell fragments
* Plasma – fluid part of blood
- The percentage of red blood cells
- Normal is about 45%
Hematocrit
White cells and platelets =
Red blood cells =
Plasma =
1%
45%
55%
low RBC count
Anemia
carries oxygen; bright red
Oxyhemoglobin
a pigment in RBCs
Hemoglobin
does not carry oxygen; darker red
Deoxyhemoglobin
Deoxyhemoglobin carries carbon dioxide, so also called ____________
carboxyhemoglobin
regulates production of Red Blood Cells
Erythropoietin
destroy bacteria, viruses, and toxins in the bloodstream (phagocytes)
Neutrophils (55%)
Granulocytes that get rid of parasitic infections such as worm infections
Eosinophils (3%)
Granulocytes that control inflammation and allergic reactions
Basophils (1%)
Granulocytes:
- Neutrophils
- Eosinophils
- Basophils
Agranulocytes that destroy bacteria, viruses, and toxins in the blood
Monocytes (8%)
Agranulocytes that provide immunity for the body
Lymphocytes (33%)
Agranulocytes:
- Monocytes
- Lymphocytes
Elevated WBC count
Usually due to infection
Leukocytosis