Everything You Need to Know About Hemoglobin: Estimation & Disease Diagnosis 🩺🩸 🔬 #hemoglobin

Why Is Blood Red? | General Science for CDS, NDA & AFCAT Aspirants

📄 How a Folded Paper Holds More Weight! 🤯 | Physics in Action

I Built a Luxury Floating House in the Middle of the River #architecture #luxuryhome #construction

You Were Born With 270 Bones! Where Did The Other 64 Go? #ScienceFacts #HumanBody #SPClasses

Hemoglobin carries oxygen to your body’s organs. When levels drop too low, your heart and lungs have to work overtime to keep you alive. Symptoms of dangerously low hemoglobin may include: -Severe fatigue -Shortness of breath -Dizziness or fainting -Rapid heart rate -Chest pain -Pale skin Common causes: -Gastrointestinal bleeding -Heavy menstrual bleeding -Bleeding ulcers -Certain cancers -Severe iron deficiency A hemoglobin of 4–5 g/dL can be life-threatening and often requires urgent evaluatio