Flashcards
Biology GCSE B3 - Exchange of materials
Flashcards do conjunto (14)
- 1OsmosisThe movement of water from an area of high concentration to an area of low concentration against a concentration gradient
- 2Active TransportThe movement of substances against a concentration gradient across a cell membrane, using energy
- 3IsotonicHaving the same concentration of solutes as another solution
- 4VentilationThe movement of air into and out of the lungs
- 5AlveoliTiny air sacs in the lungs which increases the surface area for gaseous exchange
- 6ThoraxUpper chest area
- 7AbdomenLower body area
- 8DiaphragmA strong sheet of muscle that separates the thorax from the digestive organs and changes the volume of the chest during ventilation
- 9Intercostal musclesThe muscles between the ribs which raises and lowers them whilst breathing
- 10TracheaThe tube which carries air from the nose and mouth to the lungs
- 11VilliProjections in the lining of the small intestine which increase the surface area for the absorption of digested food into the blood
- 12CuticleThe waxy covering of a leaf which reduces water loss from the surface
- 13TranspirationThe loss of water vapour from the stomata of leaves when they are opened
- 14Transpiration streamThe movement of water through a plant from the roots to the leaves as a result of the loss of water from the surface of the leaves
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- FlashCards sobre Biology GCSE B3 - Exchange of materials, criado por lauren.elise em 07-01-2015.
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