Term
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Definition
| Movement of gas across a gas exchange surface |
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Definition
| Breakdown of glucose to release energy |
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Term
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Definition
| Exchange of gas between an organism and its surroundings |
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Term
| Relationship between Ventilation, Respiration and Gas Exchange |
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Definition
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Term
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Definition
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Definition
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Term
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Definition
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Term
| Structure and relatin to function of alveoli |
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Definition
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Term
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Definition
Where molecules of a substance move from an area where there is a high concentration of molecules, to an area where there is a low concentration of those molecules.
Eventually, equilibriumis reached |
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Term
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Definition
| "The total pressure exerted by a mixture of gases is the sum of the individual partial pressure for the gases in that mixture" |
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Term
| What isthe partial pressure of Nitrogen? |
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Definition
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Term
| What is the partial pressure of Oxygen? |
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Definition
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Term
| what is the (total) presure of air at sea level? |
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Definition
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Term
| How do you find the partial pressure of a gas? |
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Definition
multiply its %age by total pressure
(%gas x total pressure = partial pressure) |
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Term
| what are the effects of high altitude initially? |
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Definition
Ventilation rate increases
heart rate increases |
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Term
| what are the effects of high altitude after 10 days? |
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Definition
re blood cell count goes up
capillaries increase |
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Term
| what are the factors which diving mamals face and how do they overcome them? |
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Definition
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Immense Pressure
Ears --> filled with fat
Sinus --> fat/not have them
Lungs --> exhale, collapsable ribs
Lack of Oxygen
Store more O2 in their Myoglobin. Direct blood to vital organs only. Move slowly. Lower heart rate.
Cold
-BLUBBER
-Insulator
How to move and hunt with limited oxygen
Feed at surface
Certain species live at depth
Build up of CO2
CO2 + H2O --> H2CO3 (low PH)
Tolerance
Darkness
Sonar
Vibrations
Smell
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