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प्रश्न
Name the following:
Components of blood
Name these:
Two components of blood
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उत्तर
- RBC (red blood cell)
- WBC (white blood cell)
- platelets.
संबंधित प्रश्न
What are the various components of blood? State their functions.
Which is the correct sequence of blood flow?
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 |
All veins carry deoxygenated blood.
Why is the colour of the blood-red?
Who discovered the Rh factor? Why was it named so?
Mature RBC in mammals does not have cell organelles.
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.
Single circulation i.e. blood flows through the heart only once during one cycle of passage through the body, is exhibited by
Veins have valves that allow blood to flow only in one direction. Arteries do not have valves. Yet the blood flows in one direction only. Can you explain why?
Name the organ which is located in the chest cavity with its lower tip slightly tilted towards the left.
Why is it called an artery if it does not carry oxygen-rich blood?
Paheli noticed water being pulled up by a motor pump to an overhead tank of a five-storeyed building. She wondered how water moves up to great heights in the tall trees standing next to the building. Can you tell me why?
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?
Least abundant leucocyte is ______.
Find out about blood groups and their importance.
