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where does gas exchange occur in the lungs

gas exchange occurs in the alveolus of the lungs. Alveoli provide a good surface for gas exchange to take place.They provide a large surface area to volume ratio which increases the amount of gas that can be...
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Answered by Amelia G. • Biology tutor
6790 Views

What is integration?

when integrating a function which describes a certain curve, the answer we get gives us the area under the curve. When integrating a general polynomial you simply add 1 to the power and divide by the new pow...
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Answered by Jacob G. • Maths tutor
3369 Views

What is eutrophication and how could it negatively impact plant life in rivers?

Eutrophication is the process whereby excess fertiliser is added to fields by farmers. This fertiliser contaisn nitrates which are very sioluble and so easily runs off into rivers and lakes. Plants use nitra...
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Answered by Rose H. • Biology tutor
2833 Views

Solve 56x + 10 = 60 - 48x

The question is asking us to "solve" the equation which means we need to find the missing variable. In this case, x is our missing variable so our goal is to get all the x's on the same side of the...
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Answered by Lucy O. • Maths tutor
3488 Views

C'est quoi la différence entre la préposition 'y' et 'en'

On utilise 'y' pour remplacer la préposition 'à' quand c'est après un verbe. Par exemple si tu dis ' je pense à ce enjeu' (I'm thinking about this issue) tu enleves le 'à' et tu mets le 'y' devant le verbe. ...
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Answered by Luke E. • French tutor
2447 Views