Flashcards
GCSE BIOLOGY BREATHING AQA B3
Cards in this deck (8)
- 1Breathing/ VentilationThe process by which air moves in and out of the lungs
- 2RespirationThe chemical process by which glucose is converted into sugar + energy. (In the mitochondria
- 3What are in the lungs that use diffusion?Alveoli
- 4Adaptations-They are one cell thick
-Moist
-Large surface area
-Large blood supply - 5Breathing in-Ribcage moves up and out
-The diaphragm contracts and flattens
-Larger volume in thorax
-Pressure decreases in the thorax
-Air is brought into the lungs - 6Breathing out-The ribcage moves inwards and down
-The diaphragm relaxes and moves up
-Smaller volume
-The pressure increases in the thorax
Causing air to move out of the lungs - 7Air Breathed in vs. Exhaled airInhaled air
-More oxygen
-Less carbon dioxide
-Less water vapour
-Same nitrogen
Exhaled air
-Less oxygen
-More carbon dioxide
-Same nitrogen - 8—
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- Flashcards on GCSE BIOLOGY BREATHING AQA B3, created by Megan Briggs on 14/04/2017.
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- Megan Briggs
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