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प्रश्न
While learning to ride a bicycle Boojho lost his balance and fell. He got bruises on his knees and they started bleeding. However, the bleeding stopped after some time.
(a) Why did the bleeding stop?
(b) What would be the colour of the wounded area and why?
(c) Which type of blood cells are responsible for clotting of blood?
उत्तर
(a) Bleeding stops due to coagulation/ clotting of blood.
(b) The colour of the wounded area would initially be dark red due to the clotting of blood.
(c) Platelets are responsible for the clotting of blood.
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संबंधित प्रश्न
Name the following:
Components of blood
State the Function: Vitamin K
A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by the doctor for transfusion?
Match the following.
| 1. Leukaemia | (a) Thrombocytes |
| 2. Platelets | (b) Phagocyte |
| 3. Monocytes | (c) Decrease in leucocytes |
| 4. Leucopenia | (d) Blood Cancer |
| 5. AB blood group | (e) Allergic condition |
| 6. O blood group | (f) Inflammation |
| 7. Eosinophil | (g) Absence of antigen |
| 8. Neutrophils | (h) Absence of antibody |
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______ are produced in the bone marrow.
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Name the organ which is located in the chest cavity with its lower tip slightly tilted towards the left.
