Key Area 7: Absorption of Materials Flashcards
1
Q
What structures help absorption in the body?
A
Alveoli (lungs) and villi (small intestine).
2
Q
What features make absorption efficient?
A
Large surface area, thin walls, extensive blood supply.
3
Q
What do villi absorb?
A
Glucose, amino acids, fatty acids, glycerol.
4
Q
What is the function of capillary networks in tissues?
A
To exchange materials with cells.