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Reflex arch is a neural pathway that controls a fast, involuntary reflex. The pathway is as follows: 1)Receptors detect a stimuli such as fire or a neddle pricking your finger. 2) Nerve impulses from the ...

It is imporant to analyse context as it is the third Assesment Objective for the exam. With 'A Christmas Carol' we can look at context in terms of Dickens' purpose in writing this story at the specific ti...

0001 1111 AND 1010 1010 = 0000 1010

0001 1111 OR 1010 1010 = 1011 1111

0001 1111 XOR 1010 1010 = 1011 0101

x² - 8x + 5 = 0 => (x² - 8x + 16) - 11 = 0 =>(x - 4)² = 11 =>x - 4 = +- sqrt(11) =>x = 4 +- sqrt(11)

Ventilation means moving air into and out of the lungs. This depends on a number of factors which we can break down and talk about individually.

The structure of the thorax: An airtight space in th...