A Level Biology AQA
Biology
A Level Biology AQA FC
Sample Data
| Front | Describe the Adaptations of the Lungs for Gas Exchange |
| Back | Many Alveoli- Produces Large SA - In contact with the capillaries so there is an excellent supply of bloodCapillaries-They are 1 cell thick and in contact with each alveolus so diffusion distance is shortVentilation (breathing)- Helps maintain a steep concentration gradient by changing the air in an alveolusBlood Flow- Maintains steep conc gradient for gases between the air in the alveoli and blood |
| ID (hidden) | 5a1c553db6c04e528023f75dcb509bde-ao-2 |
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| Text | The {{c1::hydrophilic}} ‘{{c2::head}}’ of a phospholipid can {{c3::attract water}} as it is {{c4::charged}}. Due to the phosphate being charged, it {{c5::repels other fats}}. They are {{c6::extracellular}}. |
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