Respuesta :

False,plasma
Red cells contain a special protein called hemoglobin, which helps carry oxygen from the lungs to the rest of the body and then returns carbon dioxide from the body to the lungs so it can be exhaled. Blood appears red because of a large number of red blood cells, which get their color from the hemoglobin. so the answer is The formed elements of the blood are suspended in a pale, somewhat yellow fluid known as "serum."