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Describe how blood moves around the heart

De-oxygenated blood enters the right atrium from the Vena Cava, it then passes into the right ventricle due to gravity and the contraction of the walls of the right atrium. The walls of the right ventricle t...
IL
Answered by Isobel L. • Biology tutor
3224 Views

Given the following system of linear equations x - 3y = 5 AND 2x + y = 3 how do I find x and y?

To solve this system of linear equations (therefore, to find x and y) we can proceed the following:1) we isolate x from the first question, moving -3y on the right hand side of the equation. When we move 3y ...
DT
Answered by Domiziana T. • Maths tutor
2733 Views

The curve C has equation ye^(-2x) = 2x + y^2. Find dy/dx in terms of x and y.

The curve's equation is presented as an implicit function. Therefore we must use implicit differentiation to solve this problem. To do this, we differentiate both sides of the equation with respect to x, app...
GW
Answered by Georgia W. • Maths tutor
9780 Views

Translate the following to French: My dog is big. My cat is fat and orange. My animals eat three times a day. We walk to the shops.

Mon chien est grand.Mon chat est gros et orange.Mes animaux mangent trois fois par jour.Nous marchons aux magasins. The important thing with this exercise is making sure everything agrees with the noun. For ...
AC
Answered by Anna C. • French tutor
3060 Views

How do I improve my listening skills for the aural exam?

Listening comprehension in the German language is particularly difficult because the sentence syntax is completely different to what we would expect in English i.e. the verb goes to the end, commas indicate ...
LH
Answered by Lucy H. • German tutor
2043 Views