When you open a book, you see words and pictures. When you play sports, you see the ball whizzing toward you at high speed. All day, every day, your sense of sight is hard at work. Explore how your eyes, nerve cells, and brain work as a team to help you see the world around you.
When you open a book, you see words and pictures. When you play sports, you see the ball whizzing toward you at high speed. All day, every day, your sense of sight is hard at work. Explore how your eyes, nerve cells, and brain work as a team to help you see the world around you.
