What are the various components of blood? State their functions.
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The main components of blood are:
- Plasma: It carries all the dissolved substances such as proteins, digested food, common salt etc from one part to another part of the body.
- Red blood corpuscles (RBC): It carries oxygen from the lungs to all the cells of the body.
- White blood corpuscles (WBC): It fights infection and protects us from diseases.
- Platelets: It helps in the coagulation of blood in a cut or wound.
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