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Explain why the atrioventricular valves open and close during the cardiac cycle.

Pressure is related to volume, and a larger volume means a lower pressure. The pressure in the atria is low initially as it is relaxed (diastole). Blood flows from high to low pressure, and this means tha...

EC
Answered by Ellie C. Biology tutor
12544 Views

Describe a time where you faced a difficult or challenging situation and how you dealt with it.

To answer such a question on the spot, a framework, known as the STARR framework, should be utilised. This is the best way to show self-reflection. S: Firstly, describe the Situation you faced. For exampl...

EC
2469 Views

What sort of features should I look out for when analysing a text?

When analysing a text, there are some good features to look out for in order to make sure that you are spotting any implicit meanings. Features such as similes and metaphors are great to look out for, as ...

KG
Answered by Katie G. English tutor
3642 Views

What is genre theory?

Genre theory revolves around the ideas surrounding how we define and distinguish genres, and how we categorise films into genres based on usually conventional factors. Genre will often be divided by obser...

YS
24287 Views

Draw the structure of a cell membrane (6 marks).

I would draw a diagram showing the structure of a cell membrane and explain each of the parts:The cell membrane is composed of a phospholipid bilayer which is composed of a hydrophilic head and a hydropho...

PM
Answered by Pravir M. Biology tutor
2635 Views

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