Question

Give a short note on red blood cells.

Answer 1

Red blood cells:

1. They are circular, biconcave, and non-nucleated cells.
2. They are also called erythrocytes.
3. They contain hemoglobin which gives blood its colour.
4. They are manufactured in the bone marrow.
5. They are responsible for transporting oxygen from the lungs to the body's tissues.
6. They also carry away waste materials to the lungs, where they are excreted.