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16 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are the 3 types of variables in an investigation |
Control- the thing that stays the same Dependant- the thing thats measured Independent- the thing that changes |
Control, dependant and independent |
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how does light affect transportation |
When it is light guard cells take up water by osmosis because the inner walls are pulled apart which opens pores, when it is dark the inner walls move together which closes the pores |
Pores, inner walls |
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How does tempture affect transpiration |
When it is hot it warms up the water inside the leaf quicker causing it to evaporate quicker |
Evaporate |
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What procese is used in gas exchance |
Diffusion |
D..... |
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What gases are involved in gas exchange |
Oxygen and carbon dioxide |
O and co2 |
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What are the components in the blood |
Plasma, red blood cells, white blood cells and platelets |
There are 4 |
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What are the structures of the heart |
Right atrium, right ventricle, left ventricle, left atrium, aorta, vena cava, pulmonary vein and pulmonary artery |
4 main chambers and 4 main vessels |
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What is the epidermis tissue |
A protective barrier that surrounds all of the plant to protect it from injury, water loss or infection |
Skin |
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How can you view the epidermis tissue |
Under a microscope |
Scientific equipment |
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Why is the stomata important |
It is the main area of water loss in the plant. It is where gases and water vapour are exchanged. |
Water and gases |
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What would happen if a plant had no stomatas |
There would be no water intake or gas exchange resulting in no photosynthesis. This would cause no water to be sent around the plant causing the cells to die |
No water |
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How can doctors help faulty valves |
They can replace them with a biological valve or a mechanical valve |
Animal or machine |
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What are the pros and cons of a biological heart valve |
Pros: doesn't damage red blood cells Cons: higher chance of damage and further operations |
None |
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What are the pros and cons of mechanical heart valves |
Pros: very strong and durable. Last a lifetime Cons: damage red blood cells, have to take medication forever |
None |
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How can doctors cure heart diaease |
They can use artifical hearts however currently they cam only be used short term while they wait for a doner |
Short term |
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Why is it hard to find a heart doner |
They can only take hearts from the dead and if there isn't a heart ready then they have to wait until one becomes available |
Dead |
