Module 3.1.1: Exchange surfaces (OCR A-level Biology A)

This lesson bundle contains 5 lesson PowerPoints and together with their accompanying worksheets, they will engage and motivate the students whilst covering the following specification points in module 3.1.1 (Exchange surfaces) of the OCR A-level Biology A specification:

• The need for specialised exchange surfaces
• The features of an efficient exchange surface
• The structures and functions of the components of the mammalian gaseous exchange system
• The mechanism of ventilation in mammals
• The mechanisms of ventilation and gas exchange in bony fish and insects

Found interspersed within the detailed A-level Biology content in the slides are current understanding and prior knowledge checks and these are followed by displayed mark schemes to allow students to assess their progress. There are also differentiated tasks, guided discussion periods and quiz competitions that introduce key values and terms in a fun and memorable way

If you would like to see the quality of lessons included in this bundle, then download the mammalian gaseous exchange system and ventilation and gas exchange in insects lessons as these have been uploaded for free