an image of red blood cells flowing through a blood vessel

Prompt 1: red blood cells flowing through arteries and veins, highlighting the blood's movement and circulation. it shows a large tube with red blood cells flowing through it, giving a visual representation of the blood's movement. also highlights the importance of red blood cells in carrying oxygen to different parts of the body, emphasizing the vital role they play in the human body.

Prompt 2: a large number of red blood cells flowing through a blood vessel. the camera then pans out to show a large number of red blood cells flowing through the vessel. emphasizes the importance of blood flow in the human body.