What is the primary function of white blood cells (leukocytes) in the human body?
What is the primary function of white blood cells (leukocytes) in the human body?
मानव शरीर में श्वेताणु का मुख्य कार्य क्या हैं?
Detailed Solution & Logic
Initiating immune response/प्रतिरक्षा अनुक्रिया शुरू करना
📘 Explanation
White blood cells (leukocytes) are a key part of the immune system.
- Their main function is to protect the body from infections and foreign invaders like bacteria and viruses.
- They identify, attack, and destroy pathogens.
- They also help in starting and regulating the immune response.
📗 व्याख्या
श्वेत रक्त कणिकाएं (WBCs) शरीर की प्रतिरक्षा प्रणाली का महत्वपूर्ण हिस्सा हैं।
- इनका मुख्य कार्य संक्रमण और रोगों से शरीर की रक्षा करना है।
- ये बैक्टीरिया और वायरस जैसे हानिकारक तत्वों को पहचानकर नष्ट करते हैं।
- ये प्रतिरक्षा प्रतिक्रिया शुरू करने में मदद करते हैं।
❌ Why other options are incorrect?
- Transporting nutrients → done by plasma
- Blood clotting → done by platelets
- Oxygen transport → done by red blood cells (RBCs)
⭐ Extra Facts (अतिरिक्त तथ्य)
- White blood cells are produced in the bone marrow.
- Types include neutrophils, lymphocytes, monocytes, etc.
- An increased WBC count often indicates infection.
Final Answer:
✔️ Initiating immune response / प्रतिरक्षा अनुक्रिया शुरू करना
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