Flashcards
Gas exchange and microorganisms
Cards in this deck (14)
- 1InspirationInhalation
More volume
Less pressure inside thorax than atmospheric - 2ExpirationExhalation
Less volume
More pressure inside thorax than atmospheric - 3DiaphragmMuscle
Contracts and moves down for inspiration
Relaxes and moves up for expiration - 4Intercostal musclesBetween ribs
Contract in inspiration moving the ribs up and out
Relax in exhalation moving the ribs down and in - 5Air flows throughTrachea, bronchi, bronchioles
- 6Cartilage rings around trachea, bronchi and wider bronchiolesThey support open airways
- 7CiliaMoves backwards and forwards and pushes mucus to mouth
- 8MucusTraps dirt and particles, keeping the airways clean
- 9TarSubstance comtained in cigarettes that sticks to the lungs
- 10LactobacillusBacteria
Converts lactose into lactic acid, which changes milk proteins and coagulates it - 11Saprotrophic nutritionFungi secrete enzymes onto their food so that digestion happens outside the fungal cells. Then they absorb the digested organic products
- 12Characteristics of fungi1) can't photosynthesize
2) body organized into a mycelium
3) saprotrophic nutrition
4) may store carbohydrates as glycogen
5) contain many nuclei
6) some are single cells
7) cell wall made of chitin - 13YeastUses anaerobic respiration to convert sugar/starch (e.g. from grapes/barley) to ethanol
- 14—
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- Gas exchange and mircroorganisms Book III for 3rd form exam
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- Cristina Puyol
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