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How is blood pumped around the body through the heart?

Blood goes into the atria of the heart and the atria contract and force blood into the ventricles. The ventricles then contract and force the blood out of the heart. There are valves in the heart which ensur...
LW
Answered by Lucy W. • Biology tutor
5216 Views

What is the difference between a definite and an indefinite article?

Single Indefinite Article Un/Une in French is in English what you would use as a/an: a bottle = une bouteille a mobile phone = un GSM an actress = une actrice an actor = un acteur Here you can see that for b...
BK
Answered by Bianca K. • French tutor
20732 Views

What is the product rule and when do you use it?

The product rule is used when finding the derivative of the product of two functions - two functions multipled together. If y = f(x)g(x), then dy/dx = f'(x)g(x) + f(x)g'(x) Where f'(x) is the derivative of f...
TJ
Answered by Tom J. • Maths tutor
5499 Views

How do I write a strong argument?

The most important thing when writing is strong argument is that you clearly state your argument in the introduction and build on this throughout the essay to finally come to a coherent conclusion backing up...
LF
Answered by Lucie F. • History tutor
4516 Views

If 10 N is required to move an object 2m, what is the work done?

Work done (joules) = Force (newtons) x distance moved in direction of the force (metres) Work done = 10 x 2 = 20J
KT
Answered by Katrina T. • Physics tutor
8389 Views