A Level Biology - Exchange Surface and Breathing - Statistics

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General Stats

This quiz has been taken 59 times
The average score is 9 of 25

Answer Stats

Defintion	Keyword	% Correct
Smaller airways leading into the lungs	Bronchi	91%
Main airway leading from the back of the mouth to the lungs	Trachea	85%
Tiny folds of the lung epithelium to increase the surface area	Alveoli	68%
A layer of muscle beneath the lungs	Diaphragm	66%
Surface area divided by volume	Surface area to volume ratio	62%
Cells that secrete mucas	Goblet cells	55%
Device that can measure the movement of air in and out of lungs	Spirometer	53%
The number of breaths per minute	Breathing rate	47%
Extrernal opening or pore that allows air in or out of the trachea	Spiracle	45%
The volume of air inhaled or exhaled in one breath, usually measured at rest	Tidal volume	40%
Refreshing of the air in the lungs	Ventilation	38%
Where two fluids flow in opposite directions	Countercurrent flow	32%
Protein fibres that can deform and then recoil to their original size	Elastic fibres	32%
Bony flap that covers and protects the gills	Operculum	30%
A form of connective tissue	Cartilage	26%
The greatest volume of air that can be expelled from the lungs after taking the deepest possible breath	Vital capacity	26%
Fluid found at the ends of the tracheoles	Tracheal fluid	23%
The mouth	Buccal cavity	21%
Layer of cells that have many hair-like extensions	Ciliated epithelium	19%
Slender branches of tissue that make up the gill	Filaments	19%
Involuntary muscle that contracts without the need for conscious thought	Smooth muscle	19%
System of air-filled tubes in insects	Tracheal system	9%
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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