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27 Cards in this Set

  • Front
  • Back
3 functions of blood
1.) transport system
2.) Protection
3.) Regulation
What does blood transport?
*O2 from the lungs to all cells of the body
*CO2 from cells to the lungs
*nutrients from digestive tract to cells
*waster products from cells to kidneys and sweat glands
*enzymes and hormones to various cells
what type of cell helps combat infection?
white blood cells
body fluid loss is caused by
clotting mechanism
composition of blood
55 % Plasma
45% Cellular elements
Composition of plasma
1.) 90% water
2.) plasma proteins
3.) ions
4.) compounds like glucose and urea
3 types of plasma proteins
1.) Albumin
2.)Fibrinogen
3.) Globulins
function of albumin
-helps with transport and blood pressure regulation
-very large, effects osmotic pressure
fibrinogen
(plasma protein)
-necessary for blood clotting
-when converted to fibrin it forms a clot
globulins
(plasma protein)
- transport of lipids and helps with antibody formation
3 things that make up the cellular elements in the blood that make up 45% of blood
1.) Erythroctes (red blood cells)
2.) Leukocytes (white blood cells)
3.) Thrombocytes (platelets)
which two cellular elements in the blood make up the "buffy coat"
Leukocytes,and thrombocytes
1.)function and 2.)lifespan of erythrocytes (RBC)
3.) and description
1.) hemogobin for oxygen transport
2.) lifespan= 120 days
3.) no nucleus, stains pink, "bi-concave discs"
Neutrophil (WBC)
1.) function
2.) lifespan
3.) description
1.) increases in bacterial infections
2.) a few hours
3.) granules= contains enzymes, polymorephoncleated
Eosinophil (WBC)
1.) function
2.) lifespan
3.) description
1.) fights parasitic infections and allergies
2.) n/a
3.) bi-lobed nucleus, large pink granules
Bosophir (WBC)
1.) function
2.) lifespan
3.) description
1.) contains histamine, increase in WBC's, affects vascular permeability
2.)n/a
3.) lobed nucleus, dark granuoles
Monocytes (WBC)
1.) Phagocytosis, moves into tissues and becomes a macrophage
2.) n/a
3.) largest nucleus, blue cytoplasm
Lymphocytes (WBC)
1.) function
2.) lifespan
3.) description
1.) increased inviral infections, immune defense, fights viral infections
Thrombocytes (Platelets)
1.) function
2.) lifespan
3.) description
1.) clotting
2.) n/a
3.) resides in bone marrow, small granular fragements
where are embryonic and fetal development blood cells formed?
yolk sac, liver, spleen, thymus, lymph nodes, and bone marrow
in the adult where are blood cells formed?
in red bone marrow of:
*ribs, vertebrae, pelvis, head of humerus and femur and in "lymphoid tissue"(lymph nodes, tonsils, and spleen)
bone marrow in adults
50% red and 50% yellow***
where is bone marrow located?
in long and flat bones
which marrow contains a large number of fat cells?
yellow marrow
which marrow is blood forming?
red marrow
what is the bone marrow like at birth?
red
what is erythropoietin?
hormone produced in the kidney that influences the rate of production of blood cells