Post on 30-Dec-2015
In accidents injured personsmay die...
How can we save their lives?
Blood Transfusion ( 輸血 )
Any criteria for Blood Transfusion? ( 准則 )
How many types of blood groups are there in human population?
25% 25 % 10% 40%
How do we classify them into these four groups?
A, B, AB and OFour
Group A Group B
We must consider whether the blood group of donor and recipient are compatible ( 相容 ) or incompatible ( 不相容 ).
Antibodies
What will happen if blood groupsof donor and recipient are incompatible?
1. red blood cells clump together / agglutinate to form clots
2. Blockage of blood vessels
3. Death
A blood vessel
Antibodies in different types of blood
Anti-B antibody
(YB)
Anti-A antibody
(YA)
can’t have any antibody
Both
(YA & YB)
The functions of blood in transportThe functions of blood in transportlungs small intestine
liver
kidneys
O2
(respiratory gases)
CO2
nutrients
nutrients
urea(excretory products)
All body cells, tissues and organs