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प्रश्न
Given below is a diagram of a smear of human blood. Study the same and answer the question that follow:
What is the main function of the parts labeled 1, 2 and 3 respectively?
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उत्तर
Function of part 1 (RBC): Transport of respiratory gases to the tissues and from the tissues, transport of nutrients from the alimentary canal to the tissues.
Function of part 2 (WBC): WBCs play major role in defense mechanism and immunity of the body.
Function of part 3 (Blood Platelet): Blood platelets are the initiator of blood clotting.
संबंधित प्रश्न
Give appropriate biological or technical terms for the following:
Squeezing out of white blood cells from the capillaries into the surrounding tissues.
Study the following diagram carefully and then answer the question that follow :
Name the process occurring in B and C and state the importance of this process in the human body.
True or false:
Platelets help in clotting of blood.
Complete the following table:
| Components | Origin | Function | Approx. No. (mm3) | Life span |
| RBCs | ||||
| WBCs | ||||
| Platelets |
Name the Following
The instrument by which RBC are counted is called.
Complete the following sentence with appropriate word:
The element required for blood clotting is __________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
W.B.C. contains haemoglobin
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Blood group AB is universal donor.
State the Function: Platelets
What would happen if platelets were absent in the blood?
