A Level Biology - Exchange Surface and Breathing - Statistics

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General Stats

This quiz has been taken 61 times
The average score is 9 of 25

Answer Stats

Defintion	Keyword	% Correct
Smaller airways leading into the lungs	Bronchi	92%
Main airway leading from the back of the mouth to the lungs	Trachea	86%
Tiny folds of the lung epithelium to increase the surface area	Alveoli	67%
A layer of muscle beneath the lungs	Diaphragm	65%
Surface area divided by volume	Surface area to volume ratio	61%
Cells that secrete mucas	Goblet cells	57%
Device that can measure the movement of air in and out of lungs	Spirometer	55%
The number of breaths per minute	Breathing rate	49%
Extrernal opening or pore that allows air in or out of the trachea	Spiracle	43%
The volume of air inhaled or exhaled in one breath, usually measured at rest	Tidal volume	43%
Refreshing of the air in the lungs	Ventilation	39%
Where two fluids flow in opposite directions	Countercurrent flow	35%
Protein fibres that can deform and then recoil to their original size	Elastic fibres	31%
Bony flap that covers and protects the gills	Operculum	31%
A form of connective tissue	Cartilage	29%
The greatest volume of air that can be expelled from the lungs after taking the deepest possible breath	Vital capacity	27%
Fluid found at the ends of the tracheoles	Tracheal fluid	24%
The mouth	Buccal cavity	22%
Slender branches of tissue that make up the gill	Filaments	22%
Involuntary muscle that contracts without the need for conscious thought	Smooth muscle	22%
Layer of cells that have many hair-like extensions	Ciliated epithelium	18%
System of air-filled tubes in insects	Tracheal system	8%
The volume of oxygen absorbed by the lungs in one minute	Oxygen uptake	4%
Mucles between the ribs	Intercostal mucles	2%
Folds of the filament to increase surface area	Lamallae	2%

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