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प्रश्न
Is it possible for the blood to clot under the skin? Give reason in support of your answer.
उत्तर
Blood clotting is not dependent on the exposure of blood to air. In fact, clotting can be caused
by the movement of blood over a rough surface such as on cholesterol deposit inside of a blood
vessel of the skin.
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संबंधित प्रश्न
The diagrams given below are cross sections of blood vessels:
(i) Identify the blood vessels A, B and C.
(ii) Name the parts labelled 1 to 3.
(iii) Name the type of blood that flows through A.
(iv) Mention one structural difference between A and B.
(v) In which of the above vessels does exchange of gases actually take place?
Enumerate the structural differences between white blood cells and red blood cells.
Select the odd one in the following:
Monocytes, Lymphocytes, Basophils, RBC
Choose the correct answer:
Which of the following is termed as the 'graveyard' of R.B.C.?
True or false:
Platelets help in clotting of blood.
Complete the following sentence with appropriate words:
The _______ is referred to as the graveyard of red blood corpuscles and the _______ referred to as the cradle of red blood corpuscles.
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.
______ is a defensive protein useful in blood clotting.
Name the substance that initiates blood clotting.
The kind of cells that initiate blood coagulation: