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In competitive markets, the free market mechanism is in most cases the most efficient. However sometimes, these markets fail indicating a requirement for government intervention. The most famous example i...

• Large surface area -Cell wall of alveoli is one cell thick -Good Blood supply

• To maintain a constant body temperature -To aid growth
• To allow muscle contraction
• For active transport -For protein synthesis

Before an action potential can even start, it is important to remember that there are already uneven concentrations of ions over the membrane. Potassium ions are at a higher concentration inside the cell,...

‘Horror’ and ‘Terror’

Distinction:

Horror = physical emotion (sensationalism) Terror = psychological (subtle, sublime)

Origins:

Horror = Matthew Lewis ('The Monk') Terror = Ann...