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Which of the following is true with reference to blood platelets?
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- They have prominent nuclei.
- They are involved in phagocytosis
- They have a pigment called haemoglobin
- They are also called thrombocytes.
- They have prominent nuclei.
Correct Option: D
Platelets, also called thrombocytes, are a component of blood whose function is to stop bleeding by clumping and clotting blood vessel injuries. Unlike red and white blood cells, platelets are not actually cells but rather small fragments of cells.
