sickle cell anemia, some red blood cells look like sickles

red food organ orange produce pink dessert lighting circle sickle cell anemia blood cells look like sickles used cut wheat rendering sickle cell crescent sickles red blood cells abnormal anaemia anatomy anemia anemic artery shape sick syndrome system hemoglobin vein vessel background biology damage diagnosis disease diseases disorder flow genetic health healthy human illness inheritance isolated medical medicine moon normal organic render science scientific 3d