Statistics for A Level Biology - Exchange Surface and Breathing

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General Stats

  • This quiz has been taken 44 times
  • The average score is 9 of 25

Answer Stats

DefintionKeyword% Correct
Smaller airways leading into the lungsBronchi
89%
Main airway leading from the back of the mouth to the lungsTrachea
84%
Tiny folds of the lung epithelium to increase the surface areaAlveoli
68%
A layer of muscle beneath the lungsDiaphragm
63%
Surface area divided by volumeSurface area to volume ratio
58%
Device that can measure the movement of air in and out of lungsSpirometer
53%
Cells that secrete mucasGoblet cells
50%
The number of breaths per minuteBreathing rate
45%
The volume of air inhaled or exhaled in one breath, usually measured at restTidal volume
42%
Extrernal opening or pore that allows air in or out of the tracheaSpiracle
39%
Where two fluids flow in opposite directionsCountercurrent flow
32%
Protein fibres that can deform and then recoil to their original sizeElastic fibres
32%
Bony flap that covers and protects the gillsOperculum
32%
Refreshing of the air in the lungsVentilation
32%
The greatest volume of air that can be expelled from the lungs after taking the deepest possible breathVital capacity
26%
The mouthBuccal cavity
24%
Fluid found at the ends of the tracheolesTracheal fluid
24%
A form of connective tissueCartilage
21%
Layer of cells that have many hair-like extensionsCiliated epithelium
21%
Slender branches of tissue that make up the gillFilaments
21%
Involuntary muscle that contracts without the need for conscious thoughtSmooth muscle
21%
System of air-filled tubes in insectsTracheal system
11%
The volume of oxygen absorbed by the lungs in one minuteOxygen uptake
5%
Mucles between the ribsIntercostal mucles
3%
Folds of the filament to increase surface areaLamallae
3%

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