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The alveoli are cell wall is one cell thick = short diffusion pathway. The alveoli are moist - so gasses can dissolve and move quicker. The alveoli are small and increase the surface area - diffuse quicke...
The term "superpower" has been attributed to countries which have significant influence and a powerful global presence. A "superpower" nation can be identified by the four pillars of p...
Intro:This is an electrophilic substitution reaction (nitration)Nitric acid and sulphuric acid are used to create the electrophile (NO2+)The electrophile then substitutes itse...
The question of proving God's existence is central to debates surrounding a key area of the Theology syllabus - Philosophy of Religion in particular. To ‘prove’ that something exists would normally entail...
The blood capillaries surrounding the alveoli of the lungs provide them with a rich supply of flowing blood. This means that the oxygen depleted blood returning from the body picks up oxygen from inside t...
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