A. Zinc
B. Calcium
C. Nitrogen
D. None of these
🧠 Explanation:
Anemia is caused by iron deficiency, not listed here. For biology students, this highlights hematology, making it a key topic for studying medicine, health sciences, and biology. Iron supports blood. Understanding this clarifies health issues. It’s essential for analyzing biology, medicine, and public health. Studying anemia offers insights into how deficiencies harm health, crucial for biology, medicine, and health sciences.