rbcs

the doctor examined the patient's rbcs under the microscope.

low rbc counts can cause fatigue and anemia.

rbcs carry oxygen throughout the body.

a blood test can measure your rbc levels.

the bone marrow produces new rbcs.

rbcs contain hemoglobin, which gives blood its red color.

athletes sometimes use blood doping to increase their rbc count.

certain vitamins are essential for rbc production.

the rbc lifespan is approximately 120 days.

blood loss reduces the number of rbcs in circulation.

some diseases affect the shape of rbcs.

iron deficiency can lower rbc production.