How flow of lymph is maintained?
The flow of lymph is maintained by:
- Activity of skeletal muscles.
- Movement of viscera.
- Breathing movements.
- The valves, which prevent back flow of lymph.
Why animal cells cannot withstand higher pressure potential?
The animal cells cannot withstand higher pressure potential as there is no cell-wall around protoplast.
What is the function of platelets?
Blood clotting is their important function.
How does blood clot?
In the process of blood clotting platelets cause conversion of fibrinogen, a solid plasma protein, into insoluble form, fibrin. The fibrin thread enmesh (catch) red blood cells and other platelets in the area of damaged tissue, ultimately forming a blood clot
What is leucaemia?
It is the result of uncontrolled production of white blood cells (leucocytes).
Name different types of leucaemia.
There may be neutrophilic leucaemia, eosinophilic leucaemia, basophilic, leucaemia, monocytic or lymphocytic leucaemia.
How leucaemia can be cured?
It is a very serious disorder and the patient needs to change its blood regularly with the normal blood, got from donors. It can be cured by bone marrow transplant which is in most cases effective, but very expensive treatment.
Why Thalassaemia is called Cooley’s anaemia?
It is called Cooley’s anaemia on the name of Thomas B. Cooley American paediatrician.