Biology Unit 1.1

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  • Created by: Sara
  • Created on: 21-12-12 10:15
What are the 7 characteristics of living things?
Movement, respiration, sensitivity, nutrition, excretion, reproduction & growth
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What is magnification?
Is a degree to which the size of an image is larger than the object itself
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What is resolution?
The degree to which is possible to distinguish between two points that are very close.
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What is Light microscopes maximum magnification?
x1500
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What is Transmission elctron microscopes maximum magnification?
x500 000
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What is scanning electron microscopes maximum magnification?
x100 000
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What do you use to measure lung volume?
Spirometer
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What is tidal volume?
Its the volume of air moved in and out of the lungs with each breath when you rest.
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What is vital capacity?
The largest volume of air that can moved in and out of the lungs in one breath.
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What is residual volume?
Its the volume of air that always remains in the lungs.
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What is expiratory volume?
Its how much more air can be breathed out over and above the amount that is breathed in a tidal volume breath.
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Why does the spirometer use soda lime?
If a person breathes a lot in and out the volume of carbon dioxide will increase dangerously. Soda lime convert carbon dioxide back to oxygen.
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What is the heart?
Its a muscular pump that created (blood) pressure to propel the blood through the arteries and around the body.
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Other cards in this set

Card 2

Front

What is magnification?

Back

Is a degree to which the size of an image is larger than the object itself

Card 3

Front

What is resolution?

Back

Preview of the front of card 3

Card 4

Front

What is Light microscopes maximum magnification?

Back

Preview of the front of card 4

Card 5

Front

What is Transmission elctron microscopes maximum magnification?

Back

Preview of the front of card 5
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