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Why is it difficult for a baby to get enough oxygen to their tissues when there is a hole between the left and right ventricles?

It is important to remember the function of each of the ventricles. Remeber that the left ventricle pumps oxygenated blood around the body, and the right ventricle pumps deoxygenated blood to the lungs. If t...
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Answered by Rachel A. • Biology tutor
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Starting with this extract, how does Bronte present Jane as a strong female character?

Throughout this extract, Bronte uses a series of techniques to present Jane as a strong female character, including a list of rhetorical questions, strong verb choices and exclamations. Bronte also presents ...
AR
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Do heavy things fall faster than small things?

In a vacuum (ie in the absence of air resistance) all things fall with exactly the same acceleration. The reason for this can be easily seen. An object, with mass ‘m’, falling in a gravitational field in a v...
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Answered by Angus D. • Physics tutor
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What is the Doppler effect and how is it exploited in everyday life?

The Doppler effect describes the changes in a wave's frequency (or wavelength) as the source of the wave moves towards/ away from the observer (you). You have almost definitely experienced this phenomenon be...
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Answered by Abin V. • Physics tutor
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What happens to a primary secondary and tertiary alcohol when an excess solution of Potassium Dichromate is added under acidic conditions, state the chemical formula of potassium dichromate?

pottasium dichromate (K 2 SO 4 ) is an example of an oxidising reagent. If added to a primary alcohol, under reflux, carboxcylic acid will form, a secondray alcohol will form a ketone and if aded to tertiary...
CS
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