Master Observing Exchange Surfaces fast ⚡ – clear explanations, supportive visuals, OCR-aligned.
You’ll cover
• How to identify specialised exchange surfaces in animals and plants from photomicrographs.
• Recognition of alveoli and capillary networks in lung tissue.
• Identification of villi, epithelial lining and brush border in the small intestine.
• Recognition of glomeruli and Bowman’s capsule in kidney tissue.
• Identification of root hair cells in plant roots and how they increase surface area.
• How structural features visible in images relate to exchange efficiency.
What’s included
• A wide range of labelled photomicrographs showing animal and plant exchange surfaces.
• Clear annotated images of alveoli, villi, brush border, glomeruli and root hair cells.
• Side-by-side visual comparisons linking structure to exchange function.
• Guidance on interpreting unfamiliar photomicrographs using visible features.
• Concise spec reminders embedded alongside images to reinforce key OCR wording and expectations.
Format
Web-based textbook topic. Mobile/desktop friendly. Access with no time limit, updates included.





