Question

Red blood cells are a component of blood. Blood flows through arteries to deliver oxygenated blood to cells and then returns to the heart through veins. Which statement about red blood cells shows how structure is related to function? a) Red blood cells have jagged edges. b) Red blood cells are rigid. c) Red blood cells have a sickle shape. d) Red blood cells are shaped like smooth discs.

Answer 1

option d red blood cells are shaped like smooth disks