1) Which gas is a reactant in respiration? a) oxygen b) nitrogen c) carbon dioxide d) water vapour e) methane f) helium 2) Which gas is a product in respiration? a) oxygen b) nitrogen c) carbon dioxide d) hydrogen e) methane f) helium 3) Gases move into and out of the blood by which process? a) Transpiration b) Exothermic c) Diffusion d) Photosynthesis e) Endothermic f) Respiration 4) The process of inhaling and exhaling to fill and empty your lungs is called? a) Diffusion b) Gas Exchange c) Transpiration d) Respiration e) Ventillation f) Osmosis 5) Alveoli create a short diffusion pathway by being....? a) really dry b) large c) covered in cappilaries d) constantly ventillated e) chunky f) one cell thick 6) Concentration gradients are kept steep in the lungs through good blood supply and.....? a) photosynthesis b) transpiration c) constant ventilation d) osmosis e) active transport f) diffusion 7) Gases diffuse through the alveoli easily as they can dissolve easily in the? a) cold b) moist lining c) heat d) dry layer e) thick membrane f) thin cell wall 8) Your alveoli are really small because...? a) they need a large surface area to volume ratio b) they need to fit inside your lungs. c) they need to be microscopic d) they haven't grown yet. e) they need to stay moist. f) they are really thick. 9) Which gas diffuses out of the blood and into the alveoli? a) methane b) carbon dioxide c) oxygen d) carbon monoxide e) nitrogen f) helium 10) which gas diffuses into the blood from the alveoli? a) carbon dioxide b) helium c) nitrogen d) Oxygen e) methane f) hydrogen 11) What forms a fine lacy network around the alveoli and supplies them with blood? a) Cappileries b) Arteries c) Veins d) nerves e) tendons f) ligaments 12) Roughly how many alveoli are in the lungs a) tens b) trillions c) hundreds d) thousands e) millions f) gazzillions

Gas Exchange Quiz

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?