Final answer:
The normal range of platelet count in a healthy individual's blood is 150,000 to 400,000 per microliter (µL), critical for blood clotting and wound healing.
Step-by-step explanation:
The normal value for platelets in human blood is between 150,000 to 400,000 per microliter (µL). Platelets, also known as thrombocytes, are critical for blood clotting and are derived from larger cells in the bone marrow. About one-third of platelets migrate to the spleen after entering the bloodstream and are stored there until needed for blood clotting in response to a blood vessel injury. Platelets have a lifespan of approximately 10 days before they are removed by macrophages in the liver and spleen.
When a blood vessel is damaged, platelets adhere to the site and release clotting factors that initiate the formation of a blood clot. This clot prevents further blood loss and protects the body from bacterial invasion through the wound.
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