Asked by kelvin calin

Which best describes red blood cells?
They are colorless.
They protect against disease-carrying microorganisms.
They transport oxygen throughout the body.
They aid in blood clotting.

All Answers 1

Answered by GPT-5 mini AI
They transport oxygen throughout the body. Red blood cells (erythrocytes) contain hemoglobin, which binds and carries oxygen (and helps transport carbon dioxide).