Statistics for A Level Biology - Exchange Surface and Breathing

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General Stats

This quiz has been taken 40 times
The average score is 8 of 25

Answer Stats

Defintion	Keyword	% Correct
Smaller airways leading into the lungs	Bronchi	88%
Main airway leading from the back of the mouth to the lungs	Trachea	82%
Tiny folds of the lung epithelium to increase the surface area	Alveoli	71%
A layer of muscle beneath the lungs	Diaphragm	62%
Surface area divided by volume	Surface area to volume ratio	59%
Cells that secrete mucas	Goblet cells	47%
Device that can measure the movement of air in and out of lungs	Spirometer	47%
The number of breaths per minute	Breathing rate	41%
The volume of air inhaled or exhaled in one breath, usually measured at rest	Tidal volume	41%
Where two fluids flow in opposite directions	Countercurrent flow	32%
Extrernal opening or pore that allows air in or out of the trachea	Spiracle	32%
Protein fibres that can deform and then recoil to their original size	Elastic fibres	29%
Refreshing of the air in the lungs	Ventilation	29%
Bony flap that covers and protects the gills	Operculum	26%
The mouth	Buccal cavity	24%
The greatest volume of air that can be expelled from the lungs after taking the deepest possible breath	Vital capacity	24%
A form of connective tissue	Cartilage	21%
Layer of cells that have many hair-like extensions	Ciliated epithelium	21%
Slender branches of tissue that make up the gill	Filaments	18%
Fluid found at the ends of the tracheoles	Tracheal fluid	18%
Involuntary muscle that contracts without the need for conscious thought	Smooth muscle	15%
System of air-filled tubes in insects	Tracheal system	6%
The volume of oxygen absorbed by the lungs in one minute	Oxygen uptake	3%
Mucles between the ribs	Intercostal mucles	0%
Folds of the filament to increase surface area	Lamallae	0%