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प्रश्न
While learning to ride a bicycle Boojho lost his balance and fell. He got bruises on his knees and it started bleeding. However, the bleeding stopped after some time.
- Why did the bleeding stop?
- What would be the colour of the wounded area and why?
- Which type of blood cells are responsible for clotting of blood?
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उत्तर
- Bleeding stops due to coagulation/clotting of blood.
- The colour of wounded area would initially be dark red due to the clotting of blood.
- Platelets are responsible for the clotting of blood.
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संबंधित प्रश्न
What makes the blood look red?
What are the various components of blood? State their functions.
Name the following:
Components of blood
Who discovered the Rh factor? Why was it named so?
Why are leucocytes classified as granulocytes and agranulocytes? Name each cell and mention its functions.
Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.
Assertion: RBC plays an important role in the transport of respiratory gases.
Reason: RBC does not have cell organelles and a nucleus.
Crab has blue blood.
The blood leaving the tissues becomes richer in
When a red blood corpuscle containing both A and B antigens are mixed with your blood serum, they agglutinate. Hence your blood group is ______.
Least abundant leucocyte is ______.
