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Oxygen enters the nose/mouth along the trachea, bronchi, bronchioles and finally into the alveoli.The exchange of gases occurs between the alveoli and blood in the capillaries that supply the lungs. Capil...

For your GCSE, you need to know that there are three main differences between plant and animal cells:Plant cells have a cellulose cell wall while animal cells do not.Plant cells have chlo...

Relative frequency is the number of times an event occurs divided by the total number of trials conducted.
So for example, suppose you toss a coin 15 times, and it lands on heads 8 times and tails 7...

Huntington ultimately ascribes Islam the main source of conflict with the West in his ‘Clash of Civilisations’ movement. In recent years this clash has been witnessed in the rise of political Islam, chara...

Throughout his poetry, Owen explores many representations of the themes of war and violence. In the poems “Anthem For Doomed Youth” and “Futility”, Owen represents death in opposing ways. In “Anthem For D...