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

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Question

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

Answer in Brief
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Solution 1

  • The platelets are responsible for clotting the blood. When an injury occurs, blood starts flowing, but it clots on its own.
  • If there are no platelets, the blood will not be able to clot and keep on flowing. A huge loss of blood ultimately causes death.
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Solution 2

  • The platelets found in the blood protect the body. When germs enter the body, these blood cells attack and destroy them, and the body does not suffer from disease.
  • Therefore, the function of these cells is like that of a soldier. In their presence, we cannot fall ill.
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Chapter 7: Transportation in Animals and Plants - Exercises [Page 81]

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NCERT Science [English] Class 7
Chapter 7 Transportation in Animals and Plants
Exercises | Q 5. | Page 81
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