the blood clots in the heart.

Prompt 1: depicts the formation of a mature red blood cell from a single cell, showing the stages of cell division and growth. uses a vivid color palette and detailed visual descriptions to convey the process, lasting 4 seconds.

Prompt 2: the development of a red blood cell from a single cell to its mature form through cell division and growth. it lasts 4 seconds, with vivid colors and detailed visual descriptions.