The Brazilian and Spanish editions (commonly used in Latin America and Europe) are renowned for their high-quality illustrations. Biologia Curtis uses a visual approach. For example, when explaining the nephron in the kidney, the book first shows a full human body, then a cross-section of the kidney, then a zoom into the nephron, and finally the cellular transport mechanisms. This scaffolding reduces cognitive load.

The 8th edition, in particular, is famous for its incredible charts—like the detailed breakdowns of vitamins and their roles in human health. Integration: