Case Studies Of Diffusion Flashcards
1
Q
Which substances are exchanged alveoli in the lungs?
A
2
Q
State the adaptations of alveoli in the lungs
A
3
Q
Which substances are exchanged in the villi and microvilli in the small intestines? (6)
A
Digested food into blood:
- Glucose
- Amino acids
- Fatty acids and glycerol
- Water
- Minerals
- Vitamins
4
Q
State the adaptations of villi and microvilli in the small intestines (4)
A
- Good blood supply yo maintain concentration gradient
- Short diffusion pathways into blood-epithelial lining and capillary walls are only one cell thick
- Villi and microvilli to increase the surface area
- Many mitochondria provide energy for the active transport of glucose
5
Q
State the substances exchanged in fish gills
A
6
Q
State the adaptations of fish gills for gas exchange
A
7
Q
State the substances exchanged in plant leaves
A
8
Q
State the adaptations of plant leaves to carry out gas exchange
A
9
Q
State the substances exchanged in plant roots during gad exchange
A
10
Q
State the adaptations of plant roots for gas exchange
A
