Heart & Circulation-Edexcel AS Biology Unit 1

Questions to test knowledge on the circulatory system

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What feature of a water molecule gives it good solvent properties?
It is polar
1 of 6
Water's adaption to be cohesive is caused by what?
Strong intermolecular bonds
2 of 6
A closed circulatory system is beneficial because...
It's more efficent & gives a higher metabolism
3 of 6
Two differences between veins and arteries...
Arteries have a thicker muscel to support the blood which travels faster and at a higher pressure
4 of 6
What is the purpose of valves in veins?
To stop backflow
5 of 6
The three stages of the cardiac cycle are...
Diastole, Atrial systole, Ventrical systole
6 of 6

Other cards in this set

Card 2

Front

Water's adaption to be cohesive is caused by what?

Back

Strong intermolecular bonds

Card 3

Front

A closed circulatory system is beneficial because...

Back

Preview of the front of card 3

Card 4

Front

Two differences between veins and arteries...

Back

Preview of the front of card 4

Card 5

Front

What is the purpose of valves in veins?

Back

Preview of the front of card 5
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Comments

Sam

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Nice quiz, maybe a bit more information about the cardiac cycle needed but other than that good revision aid.

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