What has the surface of the small intestine been adapted for?
For efficient absorption of the soluble products of digestion.
1 of 8
What do millions of villi increase?
The surface area for diffusion of soluble products of digestion.
2 of 8
What is the villi surface formed of?
A single layer of cells - allows molecules to diffuse rapidly into villi
3 of 8
What does the large capillary network do?
It carries absorbed molecules rapidly away - maintains steep concentration gradient for diffusion into villius.
4 of 8
What is a visking tube used for?
It can be used in experiments to investigate digestion, including the effect of different concentration of digestive enzymes on the digestion of large food molecules.
5 of 8
What are functional foods?
Foods that claim to make you healthier when you eat them.
6 of 8
What are probiotic foods?
They contain 'friendly' bacteria that are usually either bifidobacteria or lactobacillus.
7 of 8
What are prebiotics?
Foods that contain high levels of oligosccharides.
8 of 8
Other cards in this set
Card 2
Front
What do millions of villi increase?
Back
The surface area for diffusion of soluble products of digestion.
Comments
No comments have yet been made