iGCSE Biology - 7.5 Absorption

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This powerpoint is purposefully made for iGCSE Biology students using the most recent Cambridge syllabus.

It covers the following criteria - 7.5 Absorption

Core

1. State that the small intestine is the region where nutrients are absorbed

2. State that most water is absorbed from the small intestine but that some is also absorbed from the colon

Supplement

1. Explain the significance of villi and microvilli in increasing the internal surface area of the small intestine

2. Describe the structure of a villus

3. Describe the roles of capillaries and lacteals in villi