BI-877
Root hair cells
Biology · Secondary 3 · Easy · Root hair cells
In the small intestine, digested food is absorbed by cells that have many microvilli on their surface. What is the main advantage of having many microvilli?
- They increase the surface area for faster absorption of nutrients.
- They increase the thickness of the wall to protect the cells.
- They store extra nutrients inside the intestinal wall.
- They pump blood more quickly through the villi.
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