Aqa as bio exam tomorrow. Do i need to know about spirometers??????

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ALevelsugh123
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#1
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#1
So I was using snap revise and she dedicated a whole video to spirometers, do I even need to know this for the exam???? I was never taught about it in lesson so?????
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haseebj49
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We covered it in our lessons so I'm assuming it's important to understand.
I found this, which may help...

https://www.thestudentroom.co.uk/rev...gy-spirometers
(There's quite a bit on the website that we don't need to know though but these are the points I know
  • A spirometer is used to measure lung volume.
  • The trace from this apparatus tells us a lot about the lungs.
  • A spirometer can also be used to determine a person's rate of oxygen consumption.
  • Firstly, it shows that the lungs have a total lung capacity: a maximum quantity of air that the lungs can hold during the deepest possible breath. A spirometer can be used to calculate the vital capacity of the lungs. This is the maximum usable volume of the lungs.
  • Secondly, the spirometer shows that during normal breathing, the volume of air in and out of the lungs in each breath is called the tidal volume. In a normal adult at rest, this is about 0.5L.
  • Finally, we can calculate the ventilation rate from the spirometer: volume of air taken into the lungs in 1 minute.
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ALevelsugh123
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(Original post by haseeb_jarral)
We covered it in our lessons so I'm assuming it's important to understand.
I found this, which may help...

https://www.thestudentroom.co.uk/rev...gy-spirometers
(There's quite a bit on the website that we don't need to know though but these are the points I know
  • A spirometer is used to measure lung volume.
  • The trace from this apparatus tells us a lot about the lungs.
  • A spirometer can also be used to determine a person's rate of oxygen consumption.
  • Firstly, it shows that the lungs have a total lung capacity: a maximum quantity of air that the lungs can hold during the deepest possible breath. A spirometer can be used to calculate the vital capacity of the lungs. This is the maximum usable volume of the lungs.
  • Secondly, the spirometer shows that during normal breathing, the volume of air in and out of the lungs in each breath is called the tidal volume. In a normal adult at rest, this is about 0.5L.
  • Finally, we can calculate the ventilation rate from the spirometer: volume of air taken into the lungs in 1 minute.
Mashallahhhhhhhh, thanks for your help. I am relying on getting a good grade in biology!!
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haseebj49
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(Original post by ALevelsugh123)
Mashallahhhhhhhh, thanks for your help. I am relying on getting a good grade in biology!!
Me toooo
So much content, not enough time
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ALevelsugh123
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(Original post by haseeb_jarral)
Me toooo
So much content, not enough time
Exactly!!!!! I'm mainly focusing on the last few topics as I know those are the ones I need to fix up in. I want an A or a B so snap revise better come through. I'm a girl btw
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haseebj49
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(Original post by ALevelsugh123)
Exactly!!!!! I'm mainly focusing on the last few topics as I know those are the ones I need to fix up in
The species topics are so annoying. I haven't covered any of them at all yet.

I'm a girl btw
Errm, ok?
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ALevelsugh123
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#7
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#7
(Original post by haseeb_jarral)
The species topics are so annoying. I haven't covered any of them at all yet.

Biodiversity is actually just common sense you will be fine

Errm, ok?
Lol I just said because you cant tell with the account and what not
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