Both the root hair and the intestine's villi play a role in increasing the surface area for absorption.
What is a root hair?
It is a filamentous extension of an epidermal cell of the root that aids in mineral and water absorption.
What is the structure of root hair?
- It has a huge central vacuole that is encircled by a film of cytoplasm, two-layered thin cell wall, plasma membrane.
- Pectin makes up the outer layer, and cellulose makes up the inner layer of the cell wall.
What is villi?
- They are numerous tiny finger-like projections present in small intestine.
- They increase the surface area of absorption.
What is their function?
They both increase the surface area for absorption.
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