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What would happen if platelets were absent in the blood? - Science

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प्रश्न

What would happen if platelets were absent in the blood?

संक्षेप में उत्तर
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उत्तर

Platelets cause blood to clot. Blood will not clot if platelets are missing. Blood flow cannot be halted without clotting in the event of an injury, and this can be deadly.

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अध्याय 6: Life Processes - Short Answer Questions [पृष्ठ ५६]

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एनसीईआरटी एक्झांप्लर Science [English] Class 10
अध्याय 6 Life Processes
Short Answer Questions | Q 68. | पृष्ठ ५६

संबंधित प्रश्न

What will happen if there are no platelets in the blood?


Give appropriate biological/technical terms for the following: Cellular components of blood containing hemoglobin


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?


Given below is certain structure, write the term for the functional activity.

Lymphocytes and ………………………………...


Name the following:
The cells which transport oxygen to the different parts of the human body.


Choose the correct answer:
How much blood is present in an average person?


Why does the number of leucocytes increase during infection?


The diagram shows different types of blood cells, Name them.

A __________

B ______________

C ____________

D _______________

E ____________

F ____________

G ______________

H ______________


Give Technical Term for the following:

Name the vein in the human body which carries oxygenated blood.


WBCs squeeze through the walls of the capillaries into the tissue.


Complete the following sentence with appropriate word:
The erythrocytes contain an iron-rich pigment called __________.


Complete the following sentence with appropriate word:
_________ helps in blood clotting.


Complete the following sentence with appropriate word:
The site of production of W.B.Cs in the embryo is _________


Complete the following sentence with appropriate words:
The red blood corpuscles are ________ and _____ shaped cells without ________.


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The average life of red blood cells in our body is about 120 hours.


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: Thrombocytes


State the Function: R.B.C.


Choose the Odd One Out:


Intrinsic and extrinsic processes involve interaction of various substances called _______ by a step-wise or cascade mechanism.


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