Red blood cell be used for blood transfusions. Several blood tests involve red blood cells. These include a "RBC count" (the number of red blood cells per volume of blood), calculation of the hematocrit (percentage of blood volume occupied by red blood cells), and the erythrocyte sedimentation rate. The blood type needs to be determined to prepare for a blood transfusion or an organ transplantation. Many diseases involving red blood cells are diagnosed with a blood film (or peripheral blood smear), where a thin layer of blood is smeared on a microscope slide. This may reveal abnormalities of red blood cell shape and
Color Me Blood Red Color Me Blood Red Color Me Blood Red is a 1965 splatter film written and directed by Herschell Gordon Lewis about a psychotic painter who murders civilians and uses their blood as red paint. It is the third part of what the director's fans have dubbed "The Blood Trilogy", including "Blood Feast" (1963) and "Two Thousand Maniacs!" (1964). At the Farnsworth Galleries, Farnsworth looks at a painting then takes it outside. He drops it to the ground, saturates it with gasoline and sets it afire. Blood pours out of the canvas as it burns. Artist Adam Sorge stands before a