Red Blood Cells. Red blood cells are found in the animal blood stream. They carry oxygen around the body through the blood so organs and muscles can function. It contains haemoglobin which joins with the blood. It's large surface area enables oxygen to pass through. This article is a stub. You can help Science Wiki by expanding it. Retrieved from "https://sciences.fandom.com/wiki/Red_blood_cells?oldid=4706" Categories: Stubs Biology Cells Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.