"Sickled red blood cells are flexible, making it easier for these cells to travel through small vessels."

"Sickled red blood cells are c-shaped and tend to stick together more easily."

"Sickled red blood cells have a long-life span. Therefore, they circulate in the blood longer than healthy cells."

"Sickled red blood cells are rigid, making it difficult for the cells to travel through smaller vessels."

"Sickled red blood cells have a short life span which decreases the number of red blood cells circulating in the blood."