What is hemoglobin?
Understand the Problem
The question is asking for information about hemoglobin, which is a protein in red blood cells responsible for transporting oxygen throughout the body.
Answer
Hemoglobin is a protein in red blood cells that carries oxygen.
Hemoglobin is a protein in red blood cells that carries oxygen from the lungs to the body's tissues and organs and returns carbon dioxide from the tissues back to the lungs.
Answer for screen readers
Hemoglobin is a protein in red blood cells that carries oxygen from the lungs to the body's tissues and organs and returns carbon dioxide from the tissues back to the lungs.
More Information
Hemoglobin also helps in transporting carbon dioxide, a waste product, from the tissues back to the lungs where it is exhaled.
Tips
A common mistake is confusing hemoglobin with hematocrit, which is the proportion of red blood cells in blood.
Sources
- Hemoglobin Information | Mount Sinai - New York - mountsinai.org
- Hemoglobin test - Mayo Clinic - mayoclinic.org
- What Is Hemoglobin? - Florida Department of Health - floridahealth.gov
