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Blood
1. Blood transfusion
Blood type of person donating blood ( agglutinogen - Red Blood Cell)
Blood type of person receiving blood ( agglutinin- serum)
O
A
B
AB
O (a,b)
-
%
A (b)
+ -
&
B (a)
AB (-)
% &
( - ): ideal match; same blood type, safe for blood transfusion
(+ -): in case of large blood transfusion, cohesion may occur
(+): blood transfusion is not possible due to cohesion
2. Lymphatic system
- Returns excess interstitial fluids to the blood
- The lymphatic trunks drain lymph from the body and are named for the regions they drain
-The thoracic duct drains into the left subclavian vein, while the right lymphatic duct drains into the right subclavian vein
Functions of Lymph:
- formation of lymphocytes
- defense against invading microorganisms and disease
- absorption of fats and fat-soluble vitamins from the digestive system and the subsequent
transport of these substances to the circulatory system
3. Spleen
Location: the upper left part of the abdomen, behind the stomach and just below the diaphragm
Weight: about 200 g (0.44 lbs)
Function: destruction of old red blood cells, removes other debris from the bloodstream, hold a reservoir of blood, and also a role in formation of immune system
4. Blood
pH: between 7.3 - 7.4, alkaline
Amount: about 1/3 of body weight
Function: oxygen, nutrients, transportation of hormones and carbon dioxide
Components:
Red cell (RBC)-erythrocytes
White cell (WBC)-leukocytes
Platelets- thrombocytes
Plasma
5. Erythrocyte:
Size: about 7-8FFm in diameter
Amount: in males about 500 thousand/ mm
Function: carries oxygen (combines with hemoglobin)
6. Leucocyte:
Size: larger than Erythrocytes
Amount: about 6000 - 8000/ mm
Function: phagocytosis
7. Thrombocyte:
Size: 2-3FFm
Amount: 20-30 thousand/ mm
Function: formations of blood clots