If Ramila is feeling tired and having difficulty breathing primarily due to anemia, it means her body doesn't have enough healthy red blood cells to carry oxygen effectively. Anemia can occur for various reasons, including a lack of iron, vitamin deficiencies, or chronic illnesses.

When there aren't enough red blood cells, the body's organs and muscles receive less oxygen, leading to fatigue and shortness of breath even after minor activities, like walking a short distance. This can make her feel weak and exhausted, as her body struggles to function properly without adequate oxygen.