erythrocyte
/ɪˈrɪθrəˌsaɪt/
noun
- A red blood cell that carries oxygen from the lungs to the rest of the body.
- When you exercise, your body produces more erythrocytes to help deliver oxygen to your muscles.
- A low count of erythrocytes can cause a person to feel tired and weak.
- The doctor explained that an erythrocyte contains hemoglobin, which gives blood its red color.