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Introduction to pratical physiology and osmotic pressure (Safety rules…
Introduction to pratical physiology and osmotic pressure
Safety rules
Lab coat
Gloves
Switch the gas off after using it
Don't eat inside the room
Use the clamp to take the glass
Don't turn the glass towards you or your collegue
Stay away at least 50cm if you put some liquid in the glass
If something spill on you, wash with water.
What is blood?
Connective tissue
Fundamental substance
Plasma
Solid components
RBC
WBC
Platelets
RBC
Erythrocytes
Biconcave shape
No real cells
No nucleus
No organelles
Quantity
4,5.(10)6 -- 5.(10)6 in women
5.(10)6 -- 5,5.(10)6 in men
Hemoglobin
Gives the red color to the blood
More stable bond with CO
95% of dry weight of RBCs
Hematocrit
Ht=h/H.100%
41-43% in women
43-45% in men
8 micro meters
Pass through capillaries
WBC
Quantity
5000-8000/mL
Variable shape
Immune system
Platelets
Framents of megakaryocytes
Coagulation
Formation of clots
Stop bleeding before the coagulation (in 2 min)
Related to collection of blood
Use of anti-coagulants
Heparin
Calcium-quelator
Binds and sequester calcium
Related to the coagulation
Testosterone effects on RBC
More muscles, more erythrocytes
More erithropoetin,
more RBCs
Is there more risk for men have high blood pressure?
What are the risk factors of high blood pressure in women?