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What current medical news particularly interests you and why?

The industrial action that may be undertaken by Junior doctors in response to the new contracts outlined by MP Jeremy Hunt. This is of interest because if this action goes ahead it means that only pati...

PB
2115 Views

Describe how the structure of alveoli in the lungs enables efficient oxygen supply during aerobic respiration?

The alveoli are sac like structures which have a large surface area to volume ratio allowing for fast diffusion of oxygen into the blood (Fick's law). This large SA:V ratio is generated because the alv...

PB
Answered by Philip B. Biology tutor
7428 Views

How does the heart pump blood through the chambers of the heart to then send it round he body?

Firstly the heart is myogenic, thereofore is controlled by the autonomic nervous system hence doesnt require conscious control. The pumping mechanism of the heart begins with stimulation of the Sinoatrial...

KB
7166 Views

How do I calculate the gradient of a linear (straight) graph?

To find the gradient of a straight line we can use the change in the X and Y directions.

The gradient (Slope) of a straight line is defined as :

​Grad = (Change in Y) / (Cha...

NA
Answered by Nathan A. Maths tutor
7380 Views

How can I improve my philosophical essay writing?

One thing to remember when writing philosophical essays is that it is very important to be as clear as possible. Let's face it, philosophy is difficult, full of categorical imperatives and hard problem...

DD
3702 Views

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