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प्रश्न
What is the shape of RBC in human blood?
उत्तर
RBC’s are biconcave and disc-shaped.
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संबंधित प्रश्न
Name the following:
Components of blood
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.
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: Persons with AB blood group are called a universal recipient because they can receive blood from all groups.
Reason: Antibodies are absent in persons with AB blood group.
Blood is a fluid connective tissue.
Single circulation i.e. blood flows through the heart only once during one cycle of passage through the body, is exhibited by
Name the organ which is located in the chest cavity with its lower tip slightly tilted towards the left.
Name the only artery that carries carbon dioxide-rich blood.
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?
Least abundant leucocyte is ______.
