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17 Cards in this Set
- Front
- Back
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Blood functions
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1. Transport of gases, nutrients and waste products(ex: oxygen)
2. Transport of processed molecules(ex:precursor of vitamin D from skin to liver then kidneys) 3. Transport of regulatory molecules(ex: hormones) 4. Regulation of pH and osmosis 5. Maintenance of body temp(ex: warm blood shunted to the interior of the body) 6. Protection against foreign substances(ex: antibodies) 7. Clot formation |
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Blood Composition
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Consists of plasma and formed elements
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Plasma
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Mostly water(91%) and contains proteins,
Albumin-maintains osmotic pressure Globulins- function in transport and immunity Fibrinogen-involved in clotting Hormones and enzymes(involved in regulation) |
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Formed Elements
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Red Blood Cells(Erythrocytes)
White Blood Cells(leukocytes)(leuko=no color) platelets(Thrombocytes) |
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Blood functions
|
1. Transport of gases, nutrients and waste products(ex: oxygen)
2. Transport of processed molecules(ex:precursor of vitamin D from skin to liver then kidneys) 3. Transport of regulatory molecules(ex: hormones) 4. Regulation of pH and osmosis 5. Maintenance of body temp(ex: warm blood shunted to the interior of the body) 6. Protection against foreign substances(ex: antibodies) 7. Clot formation |
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Blood Composition
|
Consists of plasma and formed elements
|
|
|
Plasma
|
Mostly water(91%) and contains proteins,
Albumin-maintains osmotic pressure Globulins- function in transport and immunity Fibrinogen-involved in clotting Hormones and enzymes(involved in regulation) |
|
|
Formed Elements
|
Red Blood Cells(Erythrocytes)
White Blood Cells(leukocytes)(leuko=no color) platelets(Thrombocytes) |
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|
Blood functions
|
1. Transport of gases, nutrients and waste products(ex: oxygen)
2. Transport of processed molecules(ex:precursor of vitamin D from skin to liver then kidneys) 3. Transport of regulatory molecules(ex: hormones) 4. Regulation of pH and osmosis 5. Maintenance of body temp(ex: warm blood shunted to the interior of the body) 6. Protection against foreign substances(ex: antibodies) 7. Clot formation |
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|
Blood Composition
|
Consists of plasma and formed elements
|
|
|
Plasma
|
Mostly water(91%) and contains proteins,
Albumin-maintains osmotic pressure Globulins- function in transport and immunity Fibrinogen-involved in clotting Hormones and enzymes(involved in regulation) |
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Formed Elements
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Red Blood Cells(Erythrocytes)
White Blood Cells(leukocytes)(leuko=no color) platelets(Thrombocytes) |
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Stem Cells
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Located in red bone marrow
Differentiate into 5 formed elements: Proerythroblasts-form Erythrocytes Myeloblasts-form progranulocytes which make basophils, eosinophils, neutrophils Lymphoblasts-form lymphocytes Monoblasts-form monocytes Megakaryoblasts-form platelets |
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Red Blood Cells
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-are biconcave disk containing Hemoglobin and carbonic anhydrase
-more in males than females -form stacks called Rouleaux("roll of coins") -No nuclei or organelles, main function is transport of O2 and CO2 within the blood stream. |
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Hemoglobin
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-Consists of 4 heme and 4 glob in molecules
-Each heme contains one Iron -O2 is transported with Iron in Heme -CO2 in association with Amine group of globin |
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Hemoglobin Types
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Embryonic and fetal: have greater attraction for O2 than adult. Stops after birth.
Adult(Oxyhemoglobin-transporting oxygen, Deoxyhemoglobin and Carbaminohemoglobin: transporting carbon dioxide) |
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Erythropoiesis
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Production of red blood cells.
Low blood O2-->kidneys produce erythropiotin-->causes erythropiosis--> Stem cell:pro erythroblast-->loses nucleus to blood-->reticulocyte-->loses ER-->RBC's=erythrocytes |
