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?
- The bleeding stopped because blood clot had formed.
- The colour of the wounded area would be dark red due to clotting of blood.
- Platelets are responsible for clotting of blood.